Black Sandy State Park
Black Sandy State Park is a small lakeside park on Hauser Reservoir north of Helena, known for swimming, boating, fishing, and easy shoreline access. The park offers a relaxed day-use setting with picnic areas, a boat ramp, and views of the surrounding foothills and reservoir.
Free
Visiting with Dogs
Dogs allowed on leash; keep pets under control and clean up after them. Check posted rules for restricted areas.
Visitor Tips & Reviews
What Visitors Say
Quiet lakeside park with scenic views, easy access, camping, boating, fishing, and swimming. Visitors love the peaceful atmosphere, clean facilities, and family-friendly outdoor recreation.
Tips from Visitors
- Bring water; summer heat can be intense.
- Watch for rocky shoreline and uneven trails.
- Arrive early on busy weekends for parking.
- Pack sunscreen and insect repellent.
- Keep pets leashed and clean up after them.
Best Time to Visit
The best time to visit Black Sandy State Park is late spring through early fall, when the reservoir is warm enough for swimming and boating. Summer weekends are busiest, while weekday mornings are quieter for fishing and picnics.
Amenities
Nearby Attractions
Explore these attractions near Black Sandy State Park:
- Hauser DamA major hydroelectric dam on the Missouri River system, offering scenic reservoir views and a look at regional water infrastructure.6 miles away
- Montana State CapitolHelena’s landmark capitol building and surrounding grounds, popular for sightseeing and learning about Montana history.14 miles away
- Missouri River Headwaters State ParkA historic and scenic state park farther south where the Jefferson, Madison, and Gallatin rivers meet to form the Missouri River.55 miles away
Things to Do at Black Sandy State Park
Camping at Black Sandy State Park
Black Sandy State Park offers tent and RV camping with some hookups, restrooms, showers, picnic areas, and seasonal reservations.
Hiking Trails
Black Sandy State Park offers easy, scenic day hiking with a relaxed lakeside feel. Trails are generally short and family-friendly, making it a good choice for casual walkers, birdwatchers, and visitors looking for light exercise rather than strenuous climbs. Hikers often enjoy quiet shoreline views, open forest, and a peaceful atmosphere, especially in spring and fall. It’s best for a simple outing close to the water.
Black Sandy State Park Lakeshore Trail
EasyA scenic shoreline walk along Hauser Lake with views of the water, cottonwoods, and park recreation areas. Best for a relaxed hike or family outing.
Black Sandy Loop Trail
EasyA gentle loop through the park’s wooded and open areas, offering lake access points and opportunities for birdwatching.
Hauser Lake Overlook Trail
ModerateA longer trail with gradual climbs to elevated viewpoints over Hauser Lake and surrounding foothills.
Shoreline Connector Trail
EasyA short connector route linking picnic, camping, and beach areas with easy access to the lakeshore.
Directions
From Helena, take US-12 west to Hauser Dam Road, then follow signs north to Black Sandy Road and the park entrance on the reservoir shore.
Contact & Info
Frequently Asked Questions
Is Black Sandy State Park good for swimming?
Yes, many visitors come for the lake and beach area. Reviews often mention that the water is popular in summer, though conditions can vary. It’s a good idea to check local advisories and expect a busy shoreline on warm weekends.
Can I camp at Black Sandy State Park?
Yes, camping is available and is one of the park’s main draws. Visitors often note that campsites are convenient for lake access. Reservations are recommended during peak season, especially on weekends and holidays.
Are there boat ramps or boating access?
Yes, the park is known for easy lake access and boating opportunities. Visitors commonly mention launching boats, kayaks, and paddleboards. Conditions can change with water levels, so it’s smart to check ahead before bringing a larger boat.
Is Black Sandy State Park family-friendly?
Yes, many families visit for swimming, picnicking, and camping. Reviews often describe it as a relaxed, easygoing park with simple access to the water. As with any lake area, keep an eye on children near the shoreline.
How crowded does Black Sandy State Park get?
It can get quite busy in summer, especially on hot days and weekends. Visitor reviews often mention that the park is popular with locals and boaters. Arriving early usually helps if you want a better campsite or beach spot.
Are there hiking or walking trails at the park?
The park is more known for lake recreation than extensive hiking. Visitors usually come for swimming, boating, and camping rather than long trails. If you want a scenic walk, the shoreline and campground areas offer easy, casual exploring.

Don’t Forget the Essentials
Essential camping & hiking gear we recommend to make your park trip easier and more comfortable.
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