Around here they list sites based on trailer length, so our parks will list sites for a trailer up to 24', up to 27', up to 32', some smaller and larger sizes as well. Last summer was our first summer with our trailer and I had to book one site before we picked it out without knowing how far the slide stuck out. So being a 24' towing length, I booked a 27' site. When we got the trailer I discovered it sticks out 5', so 29' total length. But we fit into site for a 27' trailer just fine. Especially since our slide sits high so can easily extend over top of things as long as trees allow us room to extend out.Got me wondering if maybe some of the trailer max lengths are partially determined by the easy of getting a trailer of a certain size into the spot? or is it solely based on what trailer will fit once in the spot? Some places give dimensions such as total site size, and pad size (although we don't have paved pads or anything, this is just the flatter area for the trailer, usually gravel), but our national parks only give a "trailer up to this size" dropdown box and no site measurements in the description.So now I'm curious what size of site you book with your extending rear bed slide trailer? The towing trailer length, the full extended length, somewhere in between?

If you're not familiar with the campground/site, I'd play it safe and book a site that is the length of your camper with the rear slide out. You could also call the campground and ask about the site(s) you're interested in to find out.

When booking campsites, I always go with a slightly larger number. My trailer is considered a 26' (actually 26'9"), but I book for a 28' travel trailer. Otherwise, some campgrounds try to squeeze you into a site that is too small. I'm not greedy...don't want a site that's needed for big rvs, but I do want enough room to comfortably park my truck as well as the trailer.

Our trailer is 29 feet closed, 34 feet open. We always use the "closed" length when making reservations. Only once did we have a tight site, but we got it in. The rear slide was hanging over a small cliff!

I find most sites fit just the box size fine with the bed extended over the grass similar to what most popups do. We've had a few sites where we extend out over a hill which makes for a nice view as our Kodiak has a rear window to look out. Decision of squeezing in is mostly due to the availability of more desirable smaller scenic campsites vs larger more open to maneuver larger trailers into sites.

With our ROO HTT, it had a box 20'+ without the beds deployed. When the rear bunkend was out, add about 4'. The total B - B length was around 24 with the rear not deployed. I always said 30'. Our 2604 had a box truly 26'4" and B - B was right at 30. I still said 30 and sometimes 32' depending on the knowledge I might have about the campground. If you have a deep side slide, be sure to ask about trees on that side. With the HTT, we found some sites that were a decent fit until you tried to drop the rear bunkend and found a tree in the way. Most times I reserved online and could sometimes see a pix of the site. When in doubt, I called the CG to ask about those specifics.

If you've got a rear bed slide - Jayco X213/X254 or others

RVcircus
Explorer II
Apr 16, 2015
I use the extended length to be safe, but if there aren't any available sites I've gone slightly shorter. I'd rather not squeeze into sites though.
dadmomh
Explorer
Apr 16, 2015
With our ROO HTT, it had a box 20'+ without the beds deployed. When the rear bunkend was out, add about 4'. The total B - B length was around 24 with the rear not deployed. I always said 30'. Our 2604 had a box truly 26'4" and B - B was right at 30. I still said 30 and sometimes 32' depending on the knowledge I might have about the campground. If you have a deep side slide, be sure to ask about trees on that side. With the HTT, we found some sites that were a decent fit until you tried to drop the rear bunkend and found a tree in the way. Most times I reserved online and could sometimes see a pix of the site. When in doubt, I called the CG to ask about those specifics.
YamaDooed
Explorer
Apr 16, 2015
I find most sites fit just the box size fine with the bed extended over the grass similar to what most popups do. We've had a few sites where we extend out over a hill which makes for a nice view as our Kodiak has a rear window to look out. Decision of squeezing in is mostly due to the availability of more desirable smaller scenic campsites vs larger more open to maneuver larger trailers into sites.
Dog_Folks
Explorer
Apr 16, 2015
Our trailer is 29 feet closed, 34 feet open. We always use the "closed" length when making reservations.

Only once did we have a tight site, but we got it in. The rear slide was hanging over a small cliff!
scbwr
Explorer II
Apr 16, 2015
When booking campsites, I always go with a slightly larger number. My trailer is considered a 26' (actually 26'9"), but I book for a 28' travel trailer. Otherwise, some campgrounds try to squeeze you into a site that is too small. I'm not greedy...don't want a site that's needed for big rvs, but I do want enough room to comfortably park my truck as well as the trailer.
xteacher
Explorer
Apr 16, 2015
If you're not familiar with the campground/site, I'd play it safe and book a site that is the length of your camper with the rear slide out. You could also call the campground and ask about the site(s) you're interested in to find out.

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If you've got a rear bed slide - Jayco X213/X254 or others

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