Cottonwood Campground Cottonwood Campground - South Unit RESERVATIONS FOR GROUP SITE ONLY Open Year-Round Information: 701-623-4466 General Information Sites: 76, pull-through, back-in, and walk-in sites Group Sites: 1 (see below for information) Reservations: Group site only Fees: $10 per night, $5 per night during the off-season. Senior Pass or Access Pass holders receive 50% discount. Maximum occupancy: 1 family or 6 people Facilities Restrooms: Flush toilets during main visitor season, pit toilet available year-round Drinking Water: Spigots located throughout campground Showers: No RV Information Dump Station: No (A public dump station is available in Medora.) Water Fill Station: Yes Electric hookups: No Sewer hookups: No Water hookups: No Cottonwood Group Site Information:(Reservations Accepted ) The Cottonwood Group Site is available for groups of 7 to 20 people. The fee is $20 per night or $2 per person per night, whichever is higher. Reservations for the Cottonwood Group Site for the current year are accepted beginning March 1; call 701-623-4730 ext. 1426 to make a reservation.