Grassy Flat is located in a Douglas fir and hardwood forest next to the Wild and Scenic Smith River. Roads are paved and parking areas are gravel. Restrooms are accessible. BBQ grills and picnic tables are provided at each site. Popular activities include swimming/sunbathing, rafting, hiking, fishing, and biking. Annual events include the Gasquet Raft Race in July and the Del Norte County Fair in August.