I'm not sure about NF campgrounds in the area, but Gros Ventre Campground is a wonderful
site within Grand Teton NP. We've tent camped there many times. (In fact, that is where we spotted a Scamp
last summer that started us on our egg search! We just acquired a Casita
last month and we're looking forward to our first trip to Gros Ventre CG in our own egg!)
There are no hookups but there may
be a dump station... I never had the need to look before but I think I remember seeing one at the entrance. No reservations, but we've never had a problem getting a site.
Here's some info on campgrounds in Grand Teton NP
and in the nearby Bridger-Teton NF
Have fun... it is a beautiful area!