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Routes
Running trails & routes
United States
Colorado
Boulder County

School Bus Trail loop

Hard

4.8

(2591)

10,670

runners

School Bus Trail loop

02:19

17.7km

380m

Running

This difficult 11.0-mile jogging loop in Roosevelt National Forest features varied terrain, mountain views, and an abandoned school bus.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Roosevelt National Forest

Waypoints

A

Start point

Get Directions

1

9 m

West Magnolia Trailhead

Highlight • Parking

There is a dirt parking lot here with room for around a dozen vehicles. From here you can run, hike or bike on the dense trail system east or west of the highway

Tip by

2

10.3 km

Top of School Bus Trail

Highlight (Segment) • Trail

Schoolbus trail is a popular route for running, hiking and mountain biking. The trail is not overly technical and it offer a diverse views of forest, meadows, and mountains.

Tip by

3

15.5 km

Observatory Trail

Highlight (Segment) • Trail

Observatory Trail is a relatively flat loop spanning through the West Magnolia Campground. Being that it is so close to town, the trails trafficked heavily and winter runs typically don't …

Tip by

4

16.1 km

West Magnolia Trailhead

Highlight • Trail

There is an excellent network of running and mountain biking trails from the trailhead, which has a sign map and a decently sized dirt parking lot.

Tip by

B

17.7 km

End point

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Way Types & Surfaces

Way Types

10.2 km

2.91 km

2.70 km

1.69 km

< 100 m

< 100 m

Surfaces

15.8 km

1.80 km

< 100 m

< 100 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 (2,920 m)

Lowest point (2,630 m)

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Weather

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Tuesday 19 May

2°C

-4°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the School Bus Trail loop?

You can park at the West Magnolia Trailhead. This is a convenient starting point for the loop.

Is the School Bus Trail loop suitable for beginners?

No, the School Bus Trail loop is rated as intermediate to difficult. It features significant climbing and varied terrain, including rooted and rocky sections, making it more suitable for those with some trail running experience.

Is the School Bus Trail loop dog-friendly, and what are the rules?

Yes, the trail is generally dog-friendly. However, as it's located within Roosevelt National Forest, it's important to follow all forest regulations, which typically include keeping dogs on a leash to protect wildlife and ensure a pleasant experience for all users.

What's the best time of year to jog the School Bus Trail loop?

The best time to jog this loop is from late spring through early fall. Early to mid-summer is particularly beautiful, with subalpine meadows rife with wildflowers. Stream crossings can have water flowing as late as Labor Day weekend.

Are there any permits or fees required for the School Bus Trail loop?

Generally, there are no specific permits or entrance fees required to access the School Bus Trail loop within Roosevelt National Forest for day use. However, always check the official U.S. Forest Service website for the latest regulations before your visit.

What kind of scenery and points of interest can I expect on the route?

You'll experience stunning mountain vistas, including a great view of the Indian Peaks around 1.2 miles in. There's also a spectacular meadow at mile 4 and quiet wooded sections. The most distinguishing feature is an abandoned 1950s-era school bus located between miles 6.5 and 7, which gives the loop its name. You'll also pass the Top of School Bus Trail and sections of Observatory Trail.

How long does it typically take to complete the School Bus Trail loop?

The School Bus Trail loop is approximately 17.7 km (11 miles) long. For jogging, it typically takes around 2 hours and 20 minutes to complete, depending on your pace and how often you stop to enjoy the views.

Are there any tricky sections or navigation challenges on the trail?

Yes, navigation can be tricky due to numerous spurs and side trails not always shown on standard maps. It's advisable to carry a detailed trail description or use a mobile app like komoot for navigation. Be cautious on steep, rooted sections, especially after a wooden creek crossing, as they can be wet and slippery. There's also a loose and rocky stretch for about 300 yards in the 'Lost Meadow' section.

What are the conditions like on the trail during winter?

Winter conditions can vary significantly. The trail may be covered in snow and ice, making it challenging and potentially requiring specialized gear like microspikes or snowshoes. It's best to check local trail conditions and weather forecasts before attempting the loop in winter.

What kind of wildlife or plants might I see?

The trail winds through subalpine meadows that are often rife with wildflowers in early to mid-summer. While specific wildlife sightings aren't guaranteed, Roosevelt National Forest is home to various species, so keep an eye out for deer, elk, and a variety of birds.

Does the trail intersect other well-known paths?

Yes, the route also passes through sections of the Schoolbus, Hobbit, Re-Root, and Observatory trails, among others. You'll encounter various interconnected paths throughout the loop.

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