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Routes
Hiking trails & Routes
United States
Montana
Cascade County

River's Edge Trail to Rainbow Dam Overlook

Routes
Hiking trails & Routes
United States
Montana
Cascade County

River's Edge Trail to Rainbow Dam Overlook

Moderate

4.7

(9680)

9,681

hikers

River's Edge Trail to Rainbow Dam Overlook

02:11

8.23km

80m

Hiking

Embark on the River's Edge Trail to Rainbow Dam Overlook, a moderate 5.1-mile (8.2 km) hike that guides you along the scenic Missouri River. You will experience varied terrain, from paved paths to compacted gravel, as you gain 275 feet (84 metres) in elevation. The journey, estimated to take about…

Last updated: April 23, 2026

Waypoints

A

Giant Springs State Park

Highlight • Natural Monument

Giant Springs State Park is named after a giant spring, which flows at 156 million gallons per minuet. It was a site of the Lewis and Clark Expedition in 1805.

Tip by

1

561 m

Heritage Park

Highlight • Parking

This is the southern section of Giant Springs State Park. From here you can walk north to the river or follow the River's Edge Trail along the train tracks to Rainbow Dam.

Tip by

2

630 m

Giant Springs State Park

Highlight • Natural Monument

Giant Springs State Park is named after a giant spring, which flows at 156 million gallons per minute. It was the Lewis and Clark Expedition in 1805.

Tip by

3

4.24 km

Crooked Falls Overlook

Highlight • Viewpoint

From the overlook you can look down the cliff ledge to where a ragged line of waterfalls forms a unique feature in the Missouri.

Tip by

4

5.24 km

Rainbow Dam Overlook

Highlight • Viewpoint

Rainbow Dam is a smaller hydroelectric dam. Located on the Missouri River it's only 29 feet high but spans a width of 1,055 feet. This overlook has a paved parking lot.

Tip by

B

8.23 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

6.69 km

1.32 km

208 m

< 100 m

Surfaces

6.01 km

1.54 km

457 m

231 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Today

Wednesday 20 May

12°C

5°C

72 %

Additional weather tips

Max wind speed: 18.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the River's Edge Trail to Rainbow Dam Overlook?

You can find convenient parking at Heritage Park, which provides easy access to the trail leading towards the Rainbow Dam Overlook.

Is the River's Edge Trail to Rainbow Dam Overlook dog-friendly?

While the trail is generally welcoming, it's always best to check the specific regulations for Giant Springs State Park regarding pets. Typically, dogs are allowed on leash, but rules can vary, especially in sensitive wildlife areas. Always practice Leave No Trace principles.

What is the best time of year to hike this trail?

The trail offers beauty year-round. Spring and fall provide pleasant temperatures for hiking and excellent opportunities for birdwatching and wildlife viewing. Summer is also popular, though it can be warmer. Winter hiking is possible, offering a different, serene experience, but be prepared for colder conditions and potential snow or ice.

Are there any permits or entrance fees required for this hike?

Yes, the trail is located within Giant Springs State Park, which typically requires an entrance fee. You can find current fee information and any permit requirements on the official Montana State Parks website.

What is the terrain like on the way to Rainbow Dam Overlook?

The trail offers varied terrain. You'll find accessible paved sections and compacted gravel surfaces, particularly closer to the Lewis & Clark Interpretive Center. However, the area around Rainbow Dam also features more challenging unpaved singletrack trails, like the North Shore singletrack, which winds through rugged canyon walls and bluffs. This variety allows for different levels of hiking experiences.

What can I see along the route to Rainbow Dam Overlook?

Along the route, you'll enjoy spectacular views of the Missouri River and the surrounding natural landscape. Key highlights include Giant Springs State Park, the Crooked Falls Overlook, and of course, the impressive Rainbow Dam Overlook itself. You'll also encounter historical interpretive panels detailing the Lewis and Clark Expedition's journey.

What wildlife might I encounter on the trail?

The area is rich with waterfowl and other wildlife, making it a great spot for birdwatching and wildlife viewing. Keep an eye out for various bird species along the Missouri River, as well as other local fauna in the bluffs and coulees.

Does this trail connect with other paths?

Yes, this route is part of the broader River's Edge Trail system. You will be hiking on sections officially known as the River's Edge Trail and Rivers Edge Trail, which are well-established paths in the area.

Is the trail suitable for families with children?

Yes, the trail offers sections that are very family-friendly, particularly the paved and compacted gravel portions. These provide easy access to scenic views and historical points. For families seeking a more challenging adventure, some unpaved singletrack sections are also available, but these might be better suited for older children or more experienced young hikers.

What makes the Rainbow Dam Overlook historically significant?

The area holds significant historical importance as it traces part of the route of the Lewis and Clark Expedition. Captain Meriwether Lewis famously described Rainbow Falls, which the dam now harnesses, as 'one of the most beautifull objects in nature' in 1805. The trail offers insights into their arduous portage around the Great Falls of the Missouri.

Are there any amenities or facilities near the trailhead?

Given its location within Giant Springs State Park and proximity to the Lewis & Clark Interpretive Center, you can expect basic amenities such as restrooms and potentially visitor information. For cafes or more extensive services, you would likely need to venture into nearby Great Falls, Montana.

Nearby routes

Moderate

4.0

2

River's Edge Trail to Rainbow Dam Overlook

02:11h

8.23km

80m

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