February 2023 Update:
Discovery Unit will be closed on Monday March 6th and Tuesday March 7th for hazardous tree removal and clean up. Please do not enter the area while work is underway.
Sandy Point hours remain 8 a.m. to 4 p.m. Pets are permitted until May 1, 2023. Icy conditions may still exist along bike path after winter weather, so please use caution.
2023 Reservations are now being accepted for Discovery picnic shelters and the open amphitheater at Sandy Point. Answers to most questions and the application can be found on the Group Use Options box below. Contact SAN@idpr.idaho.gov if you have additional questions.
Spring Shores Marina hours are sunrise to sunset. No marina services are available until late May. Be advised that icy conditions may exist on the west boat ramp and out on the lake. Access may not be available until spring weather arrives.
Motor Vehicle Entrance Fees are in effect year-round at all 3 park units.
Motor Vehicle Entry Fee: $7 per vehicle
Group Shelter: $75.00 per day plus the $7 Idaho resident entry fee (Park Passport holders do not pay the entrance fee) | Call 208-334-3432 to reserve
Click here for more information on group shelter reservations.
Moorage Slips: $539, $749, or $1019 per year | Call 208-336-9505
Address: 74 Arrowrock Rd
Boise, ID 83716
Phone: (208) 334-2432
Hours of Operation: Discovery Park and Spring Shores Hours: Sunrise to Sunset, daily | Sandy Point Hours: 8am-4pm | People and property must leave at closing.