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Routes
Hiking trails & Routes
United States
Colorado
Boulder County

Lion Lake Trail

Hard

4.9

(3862)

12,469

hikers

Lion Lake Trail

06:08

19.5km

800m

Hiking

The Lion Lake Trail offers a diverse and rugged journey through Rocky Mountain National Park's Wild Basin, evolving from subalpine forests to dramatic alpine landscapes. You'll traverse dense forest canopies, encounter rocky patches, and ascend through switchbacks that lead to the stunning Lion Lake #1, nestled in a wide-open meadow…

Last updated: June 9, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Rocky Mountain National Park

Waypoints

A

Start point

Parking

Get Directions

1

632 m

Copeland Falls

Highlight • Waterfall

Be sure to take the side trail here that gives you views of the falls. There are a number of small rushing waterfalls up this portion of the trail.

Tip by

2

9.74 km

Lion Lakes

Highlight • Lake

This is a series of at least three lakes hidden in the Wild Basin area. The Lion Lakes are surrounded by open areas, pine tree lines, and features a rocky …

Tip by

B

19.5 km

End point

Parking

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Way Types & Surfaces

Way Types

19.5 km

Surfaces

10.8 km

8.61 km

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Elevation

Elevation

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Weather

Powered by Foreca

Today

Tuesday 7 July

24°C

11°C

70 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

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Frequently Asked Questions

What is the difficulty level of the Lion Lake Trail?

This trail is considered difficult to strenuous. It involves a significant distance and elevation gain, especially if you continue beyond Lion Lake #1 to Lion Lake #2 and Snowbank Lake. An early start is highly recommended, or plan for an overnight stay.

What kind of terrain can I expect on this route?

The trail begins with an initially abrupt climb, which later moderates as it winds through the forest. As you progress, the terrain becomes undulating, featuring sections of level ground, meadows, boulders, and marsh. Beyond Lion Lake #1, the path is unmaintained, involving creek crossings and some mild scrambling over rocky terrain, potentially with snow earlier in the season.

What natural features and landmarks will I see along the way?

You'll encounter several stunning waterfalls, including Calypso Cascades, the impressive Ouzel Falls, and Trio Falls. The route also passes multiple alpine lakes, such as Lion Lakes and Snowbank Lake. Dramatic mountain views, including Mount Alice and Chiefs Head Peak, serve as a constant backdrop. Don't miss Copeland Falls near the trailhead.

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

The warmer months are generally best for hiking the Lion Lake Trail, when wildflowers are abundant. However, be prepared for potential snow on higher, unmaintained sections, especially earlier in the season. Always check current conditions before you go.

Where does the trail start and what are the parking options?

The Lion Lake Trail begins from the Wild Basin Trailhead in Rocky Mountain National Park. Parking is available at the trailhead, but as this is a popular and demanding hike, arriving early is crucial to secure a spot, especially during peak season.

Are dogs allowed on the Lion Lake Trail?

No, dogs are not permitted on the Lion Lake Trail or any other trails within Rocky Mountain National Park. This is a park regulation to protect wildlife and the natural environment.

Do I need a permit or pay an entrance fee for Rocky Mountain National Park?

Yes, you will need to pay an entrance fee to enter Rocky Mountain National Park. Additionally, during peak season (typically late May through mid-October), a timed entry permit reservation may be required to access the Wild Basin area where this trail is located. Always check the official RMNP website for the most current fee and permit requirements before your visit.

What wildlife might I encounter on the trail?

The area is rich in wildlife. Hikers often spot elk, deer, moose, Abert's squirrels, and various birds. Bears are also present in the park, so it's important to be bear aware and carry bear spray.

Does the trail intersect other well-known paths?

Yes, the route also passes through sections of the Thunder Lake Trail and the Wild Basin Trail, offering connections to other parts of the Wild Basin area.

Is backcountry camping available along the route?

Yes, backcountry camping is available in the Wild Basin area, but it requires a permit. If you plan to extend your hike into an overnight trip, ensure you secure the necessary permits well in advance.

What should I bring for this hike?

Given its difficulty and length, you should bring plenty of water, high-energy snacks, appropriate layers for changing mountain weather, rain gear, sun protection, a map and compass (or GPS device), and bear spray. Sturdy hiking boots are essential for the varied terrain.

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