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Hiking trails & Routes
United States
Colorado
Pitkin County

River Run Trail

Easy

3.0

(26)

96

hikers

River Run Trail

01:19

4.74km

80m

Hiking

Hike the easy 2.9-mile River Run Trail in White River National Forest, exploring the historic Ashcroft Ghost Town along Castle Creek.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

White River National Forest

Waypoints

A

Start point

Get Directions

1

163 m

Ashcroft Ghost Town

Highlight (Segment) • Historical Site

2

1.15 km

River Run Trail

Highlight (Segment) • Trail

B

4.74 km

End point

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Way Types & Surfaces

Way Types

4.74 km

Surfaces

4.74 km

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Elevation

Elevation

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Wednesday 8 July

22°C

7°C

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Frequently Asked Questions

How long does it take to hike the River Run Trail?

This specific route, which includes the River Run Trail and a visit to Ashcroft Ghost Town, typically takes around 1 hour and 19 minutes to complete. This is an average duration and can vary based on your pace and how much time you spend exploring the ghost town.

What is the difficulty level of this hike?

The River Run Trail route is rated as easy. With an elevation gain of approximately 84 meters over 4.7 kilometers, it's suitable for most hikers, including beginners and families.

Is the River Run Trail dog-friendly?

Yes, the trail is generally considered dog-friendly. However, always ensure your dog is on a leash and that you clean up after them to preserve the natural environment and respect other trail users. Please check local regulations for any specific rules within the White River National Forest.

What can I see along the route?

The primary highlight of this route is the historic Ashcroft Ghost Town, where you can explore remnants of Colorado's silver mining past, including old saloons and homesteads. The trail itself, known as River Run Trail, meanders along Castle Creek, offering scenic views and the sounds of the flowing water, especially vibrant with aspen trees in the fall.

What is the best time of year to visit?

The trail is particularly beautiful in the fall when the aspen trees display vibrant colors. Summer offers pleasant hiking conditions, while winter can provide opportunities for snowshoeing or cross-country skiing, though conditions may vary and require appropriate gear. Always check current weather and trail conditions before heading out.

Are there any permits or entrance fees required for this trail or the White River National Forest?

While there isn't typically an entrance fee for the White River National Forest itself for day use, some specific areas or facilities might require a fee or permit. For Ashcroft Ghost Town, there may be a small fee to enter the preserved historic site, especially during peak seasons. It's always best to check the latest information from the US Forest Service or local visitor centers before your visit.

Where is the trailhead and what are the parking options?

The trail is located near Ashcroft Ghost Town, outside of Aspen, Colorado. Parking is typically available near the ghost town site or designated trailheads in the vicinity. Given its popularity, especially during peak seasons, arriving earlier in the day is advisable to secure a parking spot.

What is the terrain like on the River Run Trail?

The route is primarily a dirt trail that meanders along Castle Creek. It's relatively flat with gentle grades, making for comfortable footing. You'll experience natural surfaces, which can be muddy after rain or snowy in winter.

Does this route intersect with other trails?

Yes, while the route primarily follows the River Run Trail, it also includes sections of the Cathedral Lake Road. This allows for a varied experience and potential connections to other paths in the area.

Is this trail suitable for families with children?

Yes, given its easy difficulty rating, relatively short distance, and the engaging historical aspect of Ashcroft Ghost Town, this route is very family-friendly. It offers a good balance of outdoor activity and educational exploration.

What should I pack for a hike on this trail?

Even for an easy hike, it's wise to bring essentials like water, snacks, sun protection (hat, sunscreen), and appropriate footwear. Layers of clothing are recommended as mountain weather can change quickly. Don't forget your camera for the scenic views and the ghost town!

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