How to Get Rid of the Mice in Your RV (They Are Not Cute Disney Characters!)

Updated on January 12, 2020
Don Bobbitt profile image

Don has been an avid traveler and motorhome owner for most of his life and he shares his experiences along with valuable tips for RV owners.

The Mighty Mouse
The Mighty Mouse | Source

The Pest of the Ages: Mice

Mice are not a good thing to have around, anywhere! I'm not talking about good old Micky or his cute girlfriend, Minnie. No, I'm talking about those foul, sneaky little spreaders of pestilence: real, live mice.

The living habits of mice, in and of themselves, make them a pest that requires removal; they tend to prefer living in the dark, and they nest in filth and they lie in their own waste.

And, of course, mice are infamous for being the carrier of the bubonic plague, which devastated the civilized world at the time.

Your RV Is Your Castle

It doesn't matter if you are the occasional camper who uses a small pop-up trailer camper or if you have one of those large motorhomes with multiple slides that make it an even roomier home on wheels.

Your camper really is your castle—your home away from home! It is your defense against the elements and all that creeps in the night.

When you use your camper, you not only want everything in it to work properly, but you also want your food and other supplies to be clean and safe to eat.

Plus, you definitely do not want to have your camper, furniture, walls, and wiring damaged by these small invaders.

Mice Are Not Preferred Traveling Companions

Sometimes, no matter how hard you work to keep your camper secure and clean, mice will find their way in and set up their own version of "camping."

Camper storage facilities are usually not found sitting in major metropolitan areas; pieces of land large enough to store dozens of big RVs and other campers are just too valuable, unless they are in areas more rural than urban.

And any large piece of land, especially one that is in a wilder environment, will inevitably be a home for wildlife, especially smaller wildlife such as mice.

Mice Are Always Hungry and Extremely Prolific

Mice go where the food is. They can smell real food, and even your camper electrical wiring smells good to them.

Once you get these little varmints in your camper, they will feed on whatever they can find and they will also reproduce quickly, turning themselves into a growing population of problems.

Many people are not aware of how fast mice can multiply, but mice reproduce year round, and just six mice can multiply into sixty within less than three months.

The scary part is that once they are inside your camper, they no longer have any type of natural predator to keep their population growth down. Their growth rate is then only controlled by their food supply.

How to Stop Mice From Entering Your RV

There are a number of things that an RV owner can do to keep mice out of their camper, especially when storing the camper.

Keep Windows and Doors Closed

Make sure that all of your w, as well as your outside storage doors, doors are firmly closed, all of their gaskets are in good shape, and that all the doors seat well when closed and locked.

Inspect the Underside of the RV

At some point, you will need to crawl under your camper and make a thorough inspection of the underside.

Look for openings that a wily and small mouse can crawl through to get into your camper. The most probable sites for gaps are around the sewage lines, water lines, and electrical lines at their entry points into the camper.

Inspect the Edges of Slides

If your RV has slides, inspect the perimeter of the slides, especially the top, and make sure that the rubber seals are in good shape and that they seat firmly between the slide and the camper body.

Inspect Roof AC Units

Those roof AC units have a relatively fragile outer plastic housing. And when you are on the road these housings can get cracked, or even seriously broken. Inspect them and make sure they are mounted properly and are in good shape.

Keep Your Camper Door Closed

So many campers will just open their main door and leave it open to let the cooler air into their camper. If you are going to do this, make sure you have a nice screen door on your entrance.

And, of course, make sure that your screen door fits the entrance perfectly. Just a 1/4-inch gap anywhere around the perimeter of the screen door is like a double-door entrance to a hotel for a mouse.

How to Get Rid of Mice Once They Are In

If you have stored packaged foods in your camper, mice will go to these first, and go through those cardboard and plastic packages quickly to get to the goodies. Then, they will eat and spread the food around the site where it was found.

And, of course, they will defecate where they eat.

Get Rid of Your Vulnerable Stored Foods

Or at least get rid of any stored foods that are not packaged in metal or glass. Here are some examples of the more vulnerable things that a mouse can get into and eat:

  • Coffee creamers (liquid or powders) in plastic containers
  • Uncooked pasta in cardboard boxes
  • Sugar or flour in paper bags
  • Dried fruits in plastic bags
  • Chips in plastic bags
  • Nuts or other foods in cardboard "cans"
  • Breakfast or health bars in paper or plastic wrappers

Use Poisons

Once you have your stored foods under control, you will need to get rid of the (hopefully starving) little pests, once and for all.

Some people will put out rat poison of one kind or another to kill the mice. These poisons work in several ways, but they all operate by imitating food. Once the mice eat the poison, they go back to their lair and die.

I personally do not like to use poisons of any kind, and I do not believe anyone should who is camping and have small children around, or especially if they have pets.

Accidentally eating these poisons cab make a child or pet seriously ill, or even kill them under some circumstances.

But, there are the times when you have a very "smart" mouse in your RV that seem to avoid all of your other attempts to get rid of them. When this is the case, you will, at times, need to use a good poison. I have used "bait bars" a few times when all else fails.

These are solid bars containing poison and they do not spread around your camper. like many of the loose poisons do. And, once they have done their job, you can easily find the remnant and get rid of it.

The Dead-Mouse Smell

One problem with using poisons to get rid of mice is the inevitable smell of their rotting bodies. It is a disgusting smell, and it will stay around for weeks, if you cannot find the dead mouse and get rid of it.

Poisoned mice will go back to their lair or nest to die. The problem is, these places are hard to get to and are often in the walls or furniture of your camper.

Use Mouse Traps

I recommend using traps to catch and kill mice. They are cheap and efficient, and for the bleeding hearts out there, they are fast and the mouse dies instantly.

Box Traps

Some people will use Box Traps. These are boxes that have bait inside and the Mouse can get into the box to eat the food but they cannot get back out once inside.

Theoretically, you then take the box, with the mouse inside, and release the still-living mouse outdoors. Then you go back inside and congratulate yourself on your humane way of handling the pest, I guess!

Most people that I know just look at the box as a coffin and toss the box, mouse and all, into the nearest dumpster, and that's it.

Old-Fashioned Spring Traps

I prefer the tried-and-true old-fashioned spring traps. You open and set the spring-driven arm, then you place a piece of bait (cheese or whatever) on the lever.

Then you place the trap where you last saw the mouse, and wait. Sometime later, often at night, you will hear the trap spring, and then you simply carry the mouse with the now-broken neck outside and donate its body to Nature as food for some other hungry meat-eating animal.

How I Trap a Mouse

OK, I use the spring-loaded trap, myself, but occasionally, I will use one of the disposable box type simply for the convenience and it being a clean and sanitary of disposing of a dead mouse.

I buy several of these traps at a time because they are so cheap. I place a drop of superglue onto the lever. Then I place a piece of bait onto the superglue. This way the bait will not be stolen by a smart or super-fast mouse.

I then place the trap where needed and, Voila! Within hours, I have a dead mouse.

Then I toss the mouse, trap and all (remember traps are cheap) into the garbage, and then I repeat the process until there are no more mice for me to deal with.

A Mini Mouse-and-RV Summary

OK, I had to do it . . . Get It? . . . Mini Mouse?

Oh well, I tried.

What I have given you here is a good reference document on how to manage mice when they manage to get into your camper.

You just need to make sure your camper is not an open place where mice can easily enter and live off of your foods.

To get rid of them, you need to remove their food supply.

Not so hard, right?

Two at a Time

Funny Mouse Trap Video

This article is accurate and true to the best of the author’s knowledge. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in business, financial, legal, or technical matters.

Questions & Answers

  • The mice are in the ceiling of my trailer, how do I get into the ceiling to get them out?

    The first thing you need to check is for the entry point.

    The most probable entry point is your AC unit. Check the cover for cracks in the plastic, but also check that the vent areas still have a screen mounted on the inside to keep mice and insects out. It should be firmly mounted and it should cover the complete vent are.

    You should also check around your manual air vents to make sure they are firmly mounted.

    Getting into the ceiling of a camper trailer is a real task, but once you have the entry point sealed off the mice will have no place to go and will die without food. Hopefully, they haven't nested in your vent system.

  • We have our camper stored at a seasonal spot in Minnesota, so it is empty all winter. We are new to this and left paper products and when we opened it found they shredded the toilet paper and paper towels, there was just one drawer with kind of a pile of poop and some random droppings along the floor. Is it likely they came in and there wasn't a proper food source so they left? Or is it likely they are hanging out in the walls or ceiling?

    Well, first of all, mouse dropping are very small, only about 3/8-inch long (or less) and thin. So if you have a large pile of Poop this would indicate there being a larger animal gaining entry to your RV.

    The Mice? It's not uncommon for them to tear up paper products, and getting into food items stored in cardboard boxes.

    Your first thing to do is to clean up all of their mess, and then searching for the points of entry they are using and sealing these places off. Then, you can tell if there are more coming into your RV, by any new droppings or damage.

    As long as wild animals can get into your RV and have a source of heat or protection from the cold winds, they will take up residence in our RV, so you must get rid of any points of entry.

  • We are finding mouse droppings in our outdoor kitchen on our trailer. I have tried everything to figure out how they are getting in. We set the snap traps (they work well! ) We are catching almost a mouse a day (not good). Any suggestions as to where to look for the entry point?

    Honestly, Mice typically don't come into houses unless they smell food there. And Mice will not stay in a house that doesn't have food available.

    So, sure you must find and block off their entry point, but you also must clean up and dispose of anything they may want to eat from your outdoor kitchen. Anything you keep out there must be kept in sealable glass or metal containers they cannot chew their way into. All food scraps must be cleaned up.

    Then check out the gaskets around that drop door on your outdoor kitchen and make sure they are tight and the door is latched tightly all of the time except when it is in use.

    And one more thing you need to consider is that they may be getting into your trailer and going from the inside to your outdoor kitchen.

  • We have cleaned up food sources, put traps everywhere we see droppings and have yet to catch a mouse. We can hear them, so can our cats. Nothing has worked to get rid of them. Any suggestions?

    I know it's tough, but if, as you say, you have eliminated food sources inside your RV, then they have set up camp inside your Rv and are getting their food from outside.

    This means you have at least one entry point somewhere on your Rv where they can get in and out with ease. Make a thorough examination of your RV exterior and find how they are getting in and close that entry off. Then they will starve without their food source.


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    • Don Bobbitt profile imageAUTHOR

      Don Bobbitt 

      4 months ago from Ruskin Florida

      Sticky Traps do work on some mice. I had a different problem with Geckos, believe it or not. I live in Florida and they are everywhere down here. They were pooping outside my RV and i tried to use this sticky tape, but they just walked across it to my bait, ate it and left. I haven't done any investigation on them yet, but their feet must have a lot of oil? on them or something.

      Great to see your success with your traps thanks for the read and comment.


    • profile image

      John From Maine 

      4 months ago

      I notice that you did not include "sticky" traps in your recommendations for eliminating mice from an RV. Despite having absolutely no food in my RV(I just purchased it last May and havent done anything but leave it parked since), I had mice move into it during the winter here in Maine. I considered snap traps and poison but have read that the poison traps can actually ATTRACT mice(as its a food source to them). And that seems to have proven out true in my own personal experiences(had a old travel trailer that I spread poison blocks around in and now there are more mice than ever in there. A lot were killed, yes but there's still a bunch that clearly were not). Another issue with Poison is that after mice ingest it, they begin to bleed out internally so they seek water. Often times water can only be had by them if they chew through the plastic plumbing of your RV. As far as snap traps go, personal experience tells me that they are very much less than efficient. For every mouse one kills, several escape the trap unharmed(and usually with the bait).

      So I was perplexed until I read an article about "sticky" traps. Extremely simple to use, harmless to kids and pets(unless your pet is a gerbil or hamster), totally non-toxic, etc.,. I bought 10 of these sticky traps and placed two under the counters of my RV just to experiment. After the first night, nothing. After the second night, I had two mice stuck fast to just one of the traps. Now I keep a couple of traps under my RV counters at all times.

      PS: And yes, Ive discovered that the mice entered around a heating duct that has a bit more space for its entry hole that is required. I discovered this issue right after I bought the RV and believed I had fixed it with steel wool(cuts up the mouths of mice that try to remove or chew on it). The steel wool clearly didnt work so Ill be "foaming" the hole closed a little later this spring.

    • Don Bobbitt profile imageAUTHOR

      Don Bobbitt 

      7 months ago from Ruskin Florida

      Scamp09 - Typically in most RVs there is no space between the inside wall and the outside wall, it is all solid with insulation.

      But, there are areas where the outer wall has curves and the inside wall is flat that do have larger gaps.

      Remember that Mice live in an Rv for two reasons; 1- they are finding food that they can get into and eat, or 2- they are newborn and are being fed food, or they would die off.

      The solution is usually simple; make sure all of the edible items in your RV are properly stored in containers that cannot be gotten into, and clean up the Rv getting rid of any scraps that you may find.

      Once this is done, there is the problem of where did they get into your RV? Any access points you may find must be sealed and this requires you to crawl around under your RV looking for any gaps around doors and any other openings; such as; around Power Cord, around scissor jacks, around tire/suspension areas, etcetera. And keep your entrance door and service center door closed at all times.

      Good Luck,


    • profile image


      8 months ago

      We have noticed the scratching noise mice make in the wall behind our bed. We have a fifth wheel camper. How would/could i get rid of the mice?

    • Don Bobbitt profile imageAUTHOR

      Don Bobbitt 

      9 months ago from Ruskin Florida


    • profile image


      9 months ago

      I got a couple of Tomcat brand traps .Seems to be a better trap than the wooden based spring traps. Seems to have a better trigger system .. 2 nights 2 critters.

    • Don Bobbitt profile imageAUTHOR

      Don Bobbitt 

      13 months ago from Ruskin Florida

      Dianna - Actually placing a trap in a motorhome or camper ceiling would be nearly impossible. They are usually designed with molded styrofoam materia that has the air duct-ways designed into the large pieces of material. That way they do not have to actually run ductwork and also insulation in the ceiling.

      Because of this, there is really no place for mice in or ceiling except for the actually airways.

      So, I would recommend storing ALL of your dried foods in sealed containers and then placing som traps around your countertops and floors to catch the culprits.

      Also, examine your AC roof air intakes for well screened input aras.

      Doing these things will get rid of your littl pest.

      Have a Great day,


    • profile image


      13 months ago

      How could I place a mouse trap between the ceiling and the roof of a camper!! Heard the critter last night and he was chewing something!!

    • JamaGenee profile image

      Joanna McKenna 

      6 years ago from Central Oklahoma

      Don, life is good. So good that I stopped coming to HubPages for way too long! Mostly I was trying to make a dent in the over-rated "1000 books one should read before dying" list, also being the research "eyes" and book buyer for a legally-blind 88-yr-old friend whose thirst for knowledge is unquenchable! Her daughter finally nixed book purchases for the foreseeable future, and to get a break for my own self, I convinced the dear lady to start recording stories from her own life. Which will give me time to dust off my list of hub ideas and get back to writing on HP!

      Hope all is going well for you and yours, too!


    • Don Bobbitt profile imageAUTHOR

      Don Bobbitt 

      6 years ago from Ruskin Florida

      Jama-Genee = So good to hear from you girl!

      I hope all is well with you.

      Can you believe someone like me, the great and wonderful wizzard of "Stuff" has now written an article about Mice.

      Live goes on and I keep on listening to my brain as it wanders through life and wathing things happen.

      Oh well, Darn Mice!

      I figured if I had to get rid of the little pests, someone else might want to know what I hadto do with them.



    • JamaGenee profile image

      Joanna McKenna 

      6 years ago from Central Oklahoma

      Don, I don't have a camper, but like you I prefer the "old-fashioned" spring-loaded traps, with peanut butter for bait. Have only ever had one super-fast mouse snatch the peanut butter without getting caught, so the SuperGlue trick never occurred to me.

      In my current abode, though, when I discovered a hole about the size of a nickel in a baseboard where the critters could get in from the neighbor's apartment, I didn't even bother with traps. Just stuffed the hole with aluminum foil and plugged my ears the night I heard one trying to chew through the foil from the neighbor's side, which would be the same as eating broken glass. Haven't had a "mouse attack" since! ;D

    • Don Bobbitt profile imageAUTHOR

      Don Bobbitt 

      6 years ago from Ruskin Florida

      tsadjatco - Great Comment on my Article. I loved the details on how you got rid of your own little pests.

      Oh, and thanks for the infor on their urination habits. Yech! They just raised up my priority list of things to do if I ever see them again.

      Thanks again,


    • tsadjatko profile image

      The Logician 

      6 years ago from now on

      Great tips Don. I had a summerlong battle with mice. My home was only a few years old when a neighbor's old home went on the block for foreclosure. Another neighbor bought it to renovate it and discovered it was infested with house mice. I never saw a house mouse in my yard, only deer mice around the shed but after they started the renovation house mice started appearing in my house. They are different than deer mice in looks and behavior and more prolific. Evidently they fled the renovation and found a way into my house. I looked everywhere to find out how they got in but it was only after months of hell trapping and chasing them throughout the house that I discovered a vine growing under the back porch up the concrete foundation and across the vinyl siding. This vine which I hadn't noticed until the end of the summer when it grew out into view came just close enough to the dryer vent for them to get in around it or through it I'm still not sure which. I didn't discover it until we started using the dryer at the end of summer because they nested in the vent.

      Once I ripped out the vine we were good but until I got rid of that entrance we could never get ahead of these creatures, for months. I even caught a young black snake in a mouse trap in our bedroom - he must have followed the mice into the house by the vine. That was years ago and not a mouse since. Funny thing, to this day I have never found a deer mouse in the house, only the house mice ever got in.

      Another thing, mice urinate every couple feet as they walk along thus leaving a trail for them and other mice to follow. These trails are how they remember where to go to find food, a nest, water, a way in a way out, etc. If you find an entrance from outside I'd put clorox on their path to deter other mice from finding the way in.

    • Don Bobbitt profile imageAUTHOR

      Don Bobbitt 

      6 years ago from Ruskin Florida

      The Frog Prince - Thanks for the read and Also good luck on your future trip back into RVing.

      Hopefully, some of my other RV and Camping articles on my site, will be of some help for you as you get back into camping again.

    • Don Bobbitt profile imageAUTHOR

      Don Bobbitt 

      6 years ago from Ruskin Florida

      Stephanie Henkel- I guessI did leave out the "truly Natural" mouse eliminator/ LOL!

      Great idea for Cat Lovers especially. I wrote this one because my 5th wheel that I have on a site in Virginia had a few visitors when I opened it up after a few months of sitting.

      Being a new (to me) camper, I didn't follow myown advice and I paifd the price with some of my food stocks destroyed.

      My problem was a gap around mypower cord with the cover open.

      Thanks for the Comment,


    • Don Bobbitt profile imageAUTHOR

      Don Bobbitt 

      6 years ago from Ruskin Florida

      Check out

    • The Frog Prince profile image

      The Frog Prince 

      6 years ago from Arlington, TX

      Thanks Don. Good tips as I'm about to go back into RVing.

      The Frog

    • Stephanie Henkel profile image

      Stephanie Henkel 

      6 years ago from USA

      Mice can definitely be a problem if they get into an RV. We've had them under the dash in our motor home as well as in cupboards and behind drawers in the kitchen area. Like you, I don't like using poison, but traps have been successful...just remember to check them every day! But our most successful defense has been traveling with cats. They've patiently caught adult as well as baby mice, and once even caught a ground squirrel that somehow managed to gain entry. It's amazing how these critters get into our RV even when we think everything is tight as a drum!


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