The best walks and hikes in Lewis and Clark County

Hike the 6.4-mile Mt. Ascension via Lower DeFord and Aftershock Trail for moderate terrain, Helena Valley views, and 1107 feet of gain.

Embark on a moderate hike along the Heart Lake via Mainline Trail (#481), a 4.7-mile (7.5 km) route that takes about 2 hours and 12 minutes to complete. You'll gain 989 feet (301 metres) in elevation as you wind through young pine and aspen forests. Early on, the trail offers lush sections with side-streams and a pretty cascade, providing a refreshing start. The path gradually ascends, with the final mile becoming steeper as you approach the stunning Heart Lake. This glacial lake is dramatically set against cliffs that often retain pockets of snow, creating a picturesque backdrop for your efforts.

Before you set out, know that this trail is shared by both hikers and horses, so be prepared to encounter equestrian users along the way. Heart Lake itself is a popular destination, especially for those interested in fishing or backpacking. If you are considering an overnight adventure, established campsites are available near the lake. Plan your visit to allow ample time to enjoy the serene environment and the views from the lake.

This route is nestled within Montana's Helena National Forest, offering a true immersion into the region's natural beauty. The presence of a glacial lake, carved into the landscape and framed by dramatic cliffs, highlights the unique geological features of this area. It's a notable trail for its accessibility to a pristine alpine environment, making it a favored spot for both day-trippers and those seeking a longer wilderness experience.

Hike the moderate 6.5-mile Helena Regulating Reservoir Loop for 360-degree views and birdwatching, but leave your dog at home.

Enjoy an easy 2.6-mile hike on the Rodney Ridge Loop in Mount Ascension Park, offering spectacular views of Mount Helena and diverse terrain

Embark on an easy 3.2-mile (5.1 km) hike along the Dearborn River Trail, where you'll gain 304 feet (93 metres) in elevation over approximately 1 hour and 23 minutes. The initial section passes by private cabins, but soon the landscape opens up to wild and impressive Rocky Mountain views. As you continue, you'll discover majestic reefs and cliffs forming the Dearborn River Canyon. The route's highlight is Devil's Glen, where the river has sculpted unique rock formations and created clear, glacial waters, complete with a small waterfall. Around 2.5 miles in, you can even find a natural swimming hole, offering a refreshing spot to cool off.

When planning your visit, be mindful that the first mile of the trail traverses near private cabins; please respect local property. This region is known for its wildlife, including grizzly bears and moose, so if you are considering camping, ensure you practice proper food storage techniques. The road leading to the trailhead is typically plowed, making the area accessible for winter activities. This allows for cross-country skiing or snowshoeing during colder months.

This trail offers a rewarding experience within Montana's Helena-Lewis and Clark National Forest. Beyond the initial stretch, the scenery transforms, showcasing the dramatic beauty of the Rocky Mountains. The impressive views of the Dearborn River Canyon's reefs and cliffs are a defining feature of this route. The unique geological formations at Devil's Glen, carved by the river, make this a notable destination for those exploring the region.

This easy 2.0-mile hike along the Missouri River offers scenic views of Hauser Lake, the dam, and rocky cliffs in Helena National Forest.

Hike the easy 1.6-mile Mount Helena via Swaney Trail, gaining 812 feet in 55 minutes, with rewarding views of the valley.

Hike the moderate 4.9-mile Vigilante Overlook Trail (Hanging Valley) for panoramic views and unique geological features.

Enjoy an easy 1.4-mile hike along the Missouri River in Black Sandy State Park, offering scenic river views and a peaceful outdoor experienc