Gates of the Mountains
$25–$50Ride a two-hour boat cruise through the limestone canyon on the Missouri River that Meriwether Lewis named in 1805.

Photo: Ed Thomes from Belgrade, Montana, US of A, CC BY-SA 2.0, via Wikimedia Commons. Cropped and resized.
A Montana state park on the western shore of Hauser Reservoir, popular for boating, fishing, camping and water skiing.
6563 Hauser Dam Road, Helena, MT 59602 · Helena, MT
Black Sandy State Park sits on the western side of Hauser Lake, a reservoir on the Missouri River about thirteen miles northeast of Helena. Visitors come mainly for water recreation, including boating, fishing, swimming and water skiing, and the park also offers camping, picnicking, bicycling and mountain biking. It has campsites with electricity and tent sites, and the park is not staffed with lifeguards. The park lies along the Lewis and Clark National Historic Trail.
The closest stops to Black Sandy State Park, ordered by straight-line distance. A few more like it, plus some different kinds of fun so you can build a full day.
Ride a two-hour boat cruise through the limestone canyon on the Missouri River that Meriwether Lewis named in 1805.
6.7 mi awaySwitch it up: Tours
A hands-on science and play museum for families in Helena, Montana, with exhibits spread over two floors.
12 mi awaySwitch it up: Museums
Tour the copper-domed statehouse and see Charles M. Russell's 25-foot Lewis and Clark painting in the House chamber.
13 mi awaySwitch it up: Sightseeing
Regional tourism office promoting south central Montana's five counties and the northern gateways to Yellowstone National Park.
13 mi awayMore like this
Tour a working cattle ranch from the open-range era, with a historic ranch house, living history and walking trails.
47 mi awaySwitch it up: Sightseeing
Five museums inside a former territorial prison, covering Montana history, antique cars and vintage toys.
47 mi awaySwitch it up: Museums