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United States
Colorado
Boulder County

Mount Sanitas – Lion's Lair Trail loop from Pine Brook Hill

Routes
Running trails & routes
United States
Colorado
Boulder County

Mount Sanitas – Lion's Lair Trail loop from Pine Brook Hill

Hard

4.9

(4800)

15,964

runners

Mount Sanitas – Lion's Lair Trail loop from Pine Brook Hill

01:03

6.74km

200m

Running

Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is right next to a parking lot.

Last updated: August 27, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Boulder Open Space and Mountain Parks

Waypoints

A

Start point

Parking

Get Directions
1

2.33 km

Lion's Lair Trail

Highlight (Segment) • Trail

The 'quiet' side of Mt. Sanitas, but why? What a fantastic trail! And if you run down this side you connect back on the road (sunshine canyon drive) pretty easily. It's usually not the busiest road, but be careful! :)

Tip by

2

3.37 km

Mount Sanitas

Highlight • Summit

One of the most famous hiking trails in downtown Boulder is known for its challenging terrain and easy accessibility, making it a popular choice amongst hikers in the region. To …

Tip by

3

4.14 km

Lion's Lair Trail

Highlight (Segment) • Trail

The 'quiet' side of Mt. Sanitas, but why? What a fantastic trail! And if you run down this side you connect back on the road (sunshine canyon drive) pretty easily. It's usually not the busiest road, but be careful! :)

Tip by

B

6.74 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

5.93 km

783 m

< 100 m

Surfaces

5.93 km

783 m

< 100 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

Thursday 8 October

29°C

13°C

25 %

Additional weather tips

Max wind speed: 13.0 km/h

to get more detailed weather forecasts along your route

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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