Graner Bottoms (Sugar Loaf) Boat Ramp provides public access to Lake Oahe and the Missouri River with a paved boat ramp and dock facility.

The location features a courtesy dock, fish cleaning station, and is part of Graner Park which offers 75 electrical camping sites, primitive camping, picnic shelters, and potable water—making it a full-service access point for both paddling and fishing enthusiasts.

Located approximately 19 miles south of Mandan on Highway 1806, the facility includes paved access and vault toilets for day-use visitors.