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Routes
Hiking trails & Routes
United States
Colorado
Boulder County
Allenspark

Calypso Cascades and Ouzel Falls via Allenspark Trail

Routes
Hiking trails & Routes
United States
Colorado
Boulder County
Allenspark

Calypso Cascades and Ouzel Falls via Allenspark Trail

Moderate

4.8

(7837)

7,838

hikers

Calypso Cascades and Ouzel Falls via Allenspark Trail

01:55

6.06km

300m

Hiking

Hike to Calypso Cascades and the dramatic Ouzel Falls in Rocky Mountain National Park, a moderate 3.8-mile trail.

Last updated: February 26, 2026

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Your route passes through a protected area

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Waypoints

A

Start point

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1

4.68 km

Calypso Cascade

Highlight • Waterfall

There are a whole series of waterfalls that follow one another along the Saint Vrain Creek, and the Thunder Lake trail: Ouzel Falls Cleveland Falls and others. Here are the Calypso waterfalls.

Tip by

6.05 km

Ouzel Falls

Waterfall

B

6.06 km

End point

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Way Types & Surfaces

Way Types

5.98 km

< 100 m

Surfaces

5.93 km

< 100 m

< 100 m

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Elevation

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Today

Wednesday 20 May

4°C

-2°C

62 %

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Max wind speed: 4.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the best time of year to hike to Calypso Cascades and Ouzel Falls?

The trail is beautiful year-round, but the best time to experience the full power of the waterfalls is during the spring run-off. Late spring and early summer also offer the chance to see wildflowers, including the unique Calypso Orchids. For a more tranquil experience, consider visiting outside of peak summer months.

Do I need a permit or pay an entrance fee for this trail?

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

Where can I park for the Calypso Cascades and Ouzel Falls trail?

Parking is available at the Wild Basin Trailhead, which is the starting point for this route. It's advisable to arrive early, especially during peak season, as parking spots can fill up quickly. There are no shuttles specifically for this trailhead, so personal vehicle access is key.

Is this trail dog-friendly?

No, dogs are generally not allowed on trails within Rocky Mountain National Park, including the route to Calypso Cascades and Ouzel Falls. This is to protect wildlife and ensure a pristine natural environment. Service animals are an exception.

What is the difficulty level of the hike to Ouzel Falls?

The hike is generally considered moderate. The initial section to Calypso Cascades is relatively easy with a gradual incline. However, the climb becomes more noticeable and steeper with switchbacks on the way to Ouzel Falls. The full round trip is approximately 5.4 to 5.8 miles with an elevation gain of about 930 to 950 feet.

What kind of terrain should I expect on the route?

The trail primarily follows the North St. Vrain Creek through a dense subalpine forest. You'll encounter a well-maintained path, but it can be rocky and rooty in sections. There are multiple footbridges to cross, and parts of the trail show regrowth from a past fire. Expect a mix of gradual inclines and steeper sections, especially as you approach Ouzel Falls.

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

This trail is renowned for its waterfalls. You'll first encounter Copeland Falls, followed by the unique Calypso Cascades, where water splashes through the forest. The hike culminates at the dramatic 40-foot Ouzel Falls. You might also catch intermittent views of prominent peaks like Longs Peak and Mount Meeker.

Is this a loop trail or an out-and-back route?

This route to Calypso Cascades and Ouzel Falls is an out-and-back trail. You will return along the same path you took to reach the falls.

What wildlife might I spot on this hike?

The Wild Basin area is known for its wildlife. Keep an eye out for the American Dipper (or Water Ouzel), a unique bird that feeds in fast-flowing streams. You might also spot deer, elk, and various smaller mammals and birds typical of a subalpine forest environment.

Does this trail connect with other paths in the area?

Yes, the route utilizes sections of several official trails. You will be on parts of the Wild Basin Trail, the Allenspark Trail, and the Finch Lake - Pear Lake Trail as you make your way to the falls. These connections offer opportunities for longer excursions if you wish to explore further into the Wild Basin area.

Is this a good trail for families with children?

The initial section to Calypso Cascades is relatively easy and can be a great option for families. The full hike to Ouzel Falls is more challenging due to its length and steeper sections, making it better suited for families with older children or those accustomed to moderate hikes. Always assess your family's fitness level before attempting the full route.

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