Yes! Check the site dimensions on Recreation.gov. We are 25' and had plenty of room in site C2. The "end" sites that are across from the loop roads like B3 and C2 are pretty long and also very easy to back into.

No but will fit on most sites

We have a 34’ motorhome, (35’ actual length). We were able to fit in a site on row E or F where it was less crowded. We could fit our jeep next to M H. My recollection was spaces were long enough, but a lot were not real level. Hope this helps.

We had plenty of room for our 30 foot trailer. The spaces vary both in length and flatness.