Almost 98% of National Park campgrounds can accommodate RVs up to 19 feet long. You will still have a large number of options if your RV is up to 25 feet since more than 90% of parks permit that length. On average, national parks will allow RVs with a maximum length of 27 feet.

What is the best size RV?

If youre not sure of the ideal length for national parks, youll want to choose an RV between 25 and 30 feet long. Most national parks will accommodate RVs between those lengths. Almost 98% of National Park campgrounds can accommodate RVs up to 19 feet long.

Can RVs go into Yosemite?

Camping. Most campgrounds in Yosemite allow RVs and trailers, but plan on getting a campground reservation if visiting Yosemite from March through October. Sleeping in your RV overnight is not allowed outside of campgrounds.