3.2
(7)
47
runners
00:26
3.89km
100m
Running
Jog the moderate 2.4-mile Forsythe Canyon Trail through a wooded canyon to a waterfall and Gross Reservoir, gaining 335 feet.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
Parking
Get Directions
109 m
Highlight • Trail
Tip by
1.94 km
Highlight • Lake
Tip by
3.89 km
End point
Parking
Way Types & Surfaces
Way Types
3.89 km
Surfaces
3.75 km
138 m
Sign up to see more specific route details
Sign up for free
Elevation
Sign up to see more specific route details
Sign up for free
Weather
Powered by Foreca
Thursday 9 July
26°C
12°C
-- %
Additional weather tips
Max wind speed: -- km/h
to get more detailed weather forecasts along your route
This route was planned by komoot.
Parking is available at the Forsythe Canyon Trailhead. It's advisable to arrive early, especially on weekends, as this trail can be a popular alternative to more crowded Boulder trails.
Yes, the trail is welcoming to dogs. Please ensure your dog remains on a leash at all times. There are opportunities for dogs to cool off in various water spots along the creek.
The Forsythe Canyon Trail is beautiful year-round. The creek runs noisily in spring, and the pine and aspen forests are particularly stunning in late fall. It offers a shaded experience, which is pleasant on warmer days. Winter conditions may require appropriate gear.
The Forsythe Canyon Trail is located within the Arapaho and Roosevelt National Forests. Generally, there are no specific permits or entrance fees required for day use on this trail. However, it's always a good idea to check the official USDA Forest Service website for any current regulations or alerts before your visit.
The trail is largely relatively flat, making it suitable for jogging for significant portions. However, it does feature a few slightly technical areas with rocks. As you descend towards Gross Reservoir, it becomes rockier, including at least one section that requires some easy scrambling over a rock wall.
You'll jog along a shaded stream through a wooded, rocky canyon. A highlight is a small, picturesque waterfall, estimated to be between 15 and 25 feet high, found approximately one mile in. The creek forms small, picturesque waterfalls and cascades. The trail culminates at the far northwestern tip of Gross Reservoir, offering stunning views of its clear blue water.
The trail is generally rated as easy to moderate. Many find it relatively flat and accessible. The primary physical challenge is the return journey, as the trail is predominantly downhill on the way out, meaning the return is uphill. The section requiring scrambling over a rock wall also adds to the challenge.
The Forsythe Canyon Trail is primarily an out-and-back route, leading you to the scenic Gross Reservoir and back.
Yes, while following the main Forsythe Canyon Trail, the route also passes through sections of the Winiger Ridge Road.
The trail winds through pine and aspen forests and follows a stream, creating a diverse habitat. While specific wildlife sightings vary, you might spot various birds, small mammals, and potentially deer. Always be aware of your surroundings and respect wildlife.
The trail offers a more remote and less crowded atmosphere. For amenities like cafes, pubs, or accommodation, you would need to head to nearby towns such as Nederland or Boulder, Colorado.
Comments
Want to know more?
Sign up for a free komoot account to join the conversation.
Sign up for free