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Routes
Running trails & routes
United States
Colorado
Clear Creek County
St. Mary's

Loch Lomond Trail

Moderate

3.3

(19)

74

runners

Loch Lomond Trail

01:05

7.80km

270m

Running

Jog the moderate 4.8-mile Loch Lomond Trail in Arapaho National Forest, gaining 873 feet to alpine lakes and views of the Continental Divide

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Arapaho National Forest

Waypoints

A

Start point

Get Directions

1

44 m

Loch Lomond Winter Trailhead

Highlight • Parking

There is roadside parking here along Steuart Road, a gravel trail that leads up to Loch Lomond. You can drive to the top and park right along the lake, or …

Tip by

2

3.70 km

Loch Lomond

Highlight • Lake

Loch Lomond is a mountain lake in the high forests of Colorado. There are actually several lakes in the area, and they are all interconnected, with Loch Lomond being the …

Tip by

3

3.89 km

Loch Lomond

Highlight • Lake

Loch Lomond is a mountain lake in the high forests of Colorado. There are actually several lakes in the area, and they are all interconnected, with Loch Lomond being the …

Tip by

B

7.80 km

End point

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Way Types & Surfaces

Way Types

7.14 km

591 m

< 100 m

Surfaces

4.49 km

2.65 km

591 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.

Highest point (3,410 m)

Lowest point (3,150 m)

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Weather

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Today

Sunday 17 May

9°C

-2°C

81 %

Additional weather tips

Max wind speed: 10.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the terrain like on the Loch Lomond Trail?

The trail primarily follows a dirt and gravel road. While it starts off relatively easy, it gradually becomes steeper with more embedded rock as you ascend. Be prepared for potential water crossings and some steep ledges along this primitive route.

Where can I park to access the Loch Lomond Trail?

You can typically find parking at the Loch Lomond Winter Trailhead. Given the trail's popularity and challenging sections, arriving early is advisable, especially on weekends.

Is the Loch Lomond Trail suitable for beginners?

While some sections may be manageable, the trail is generally rated as moderate for trail running due to its embedded rock, water crossings, and steep ledges. Beginners with good fitness might find it challenging, but rewarding.

What kind of scenery can I expect along the route?

You'll experience striking alpine scenery, including a mountain stream, vibrant wildflowers, and a forested landscape. The trail culminates at a beautiful alpine lake, offering views of the Continental Divide and passing by several crystal-clear lakes like Loch Lomond, Lake Caroline, and Stewart Lake.

Does the trail intersect with other well-known paths?

Yes, the route intersects with sections of the CDT - Colorado Section, Loch Lomond Road, James Peak South, and Loch Lomond Spur Road.

Is the Loch Lomond Trail dog-friendly?

Yes, the Loch Lomond Trail is generally dog-friendly. However, always ensure your dog is on a leash and that you pack out any waste to preserve the natural environment of Arapaho National Forest.

What is the best time of year to visit the Loch Lomond Trail?

The best time to visit is typically from late spring through early fall (June to September) when the snow has melted, and the wildflowers are in bloom. Always check current weather and trail conditions before heading out, especially for potential snow at higher elevations early or late in the season.

Do I need a permit or is there an entrance fee for the Arapaho National Forest?

While there isn't a specific permit required for hiking the Loch Lomond Trail itself, some areas within Arapaho National Forest may require a fee or permit for certain activities or amenities. It's always best to check the official Arapaho National Forest website for the most current regulations and any potential fees before your visit.

What wildlife might I encounter on the trail?

The trail offers opportunities for close encounters with alpine wildlife, such as marmots. Keep an eye out for other high-altitude species, but remember to observe from a distance and never feed wild animals.

Is the Loch Lomond Trail a loop or an out-and-back?

The trail is primarily an out-and-back route to the main alpine lake. However, the area around the lake itself is described as a "donut" shaped off-road loop, allowing for some exploration at the top before returning the way you came.

Are there any specific challenges or insider tips for this trail?

The trail becomes progressively steeper with embedded rock, and high-clearance vehicles are recommended for driving portions of the route, indicating its challenging nature for foot travel in some areas. For a more enjoyable experience, consider starting early to avoid crowds and allow ample time to navigate the rougher sections, especially if you plan to explore the upper lake area.

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