The group site is indicated by a sign. The site contains two grills and two picnic tables, and is large enough for 12-15 tents. Group Campsite For Overflow. During periods of heavy use, the group campsite may be used for overflow camping, but only on unreserved nights. Any unreserved group choosing to camp in the group site must move out of the group site by 10 a.m. any day the group site is reserved. Reservations are posted on the board located in the group campsite.