Type of Recreation: Day-Use, Boating and Primitive Camping State: Washington County: Garfield Administering Office: Lower Granite Natural Resources Office Location: Lower Granite Lake, Snake River Mile 108, South River Bank. Acreage: 10 Acres Year round, with no specific hours of operation. Camping and boat launching are free of charge. Pets must be kept on a leash. Horses and hunting are prohibited. No wood fires allowed from June 10 through October 10. Charcoal and propane fires are acceptable. The Park Ranger can be reached at 509-397-6413 ext. 262. Dam Crossing is on a limited basis. Please call 1-888-DAMINFO (1-888-326-4636) for the most up to date Dam Crossing Information.