3.1
(14)
38
runners
04:41
37.3km
740m
Running
Jog the difficult 23.1-mile Picture Rock and Wild Turkey Loop in Heil Valley Ranch, featuring diverse terrain and scenic viewpoints.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
83 m
Highlight • Trail
Tip by
5.25 km
Highlight • Structure
Tip by
16.2 km
Highlight • Trail
Tip by
37.3 km
End point
Parking
Way Types & Surfaces
Way Types
27.7 km
5.92 km
2.46 km
1.20 km
< 100 m
Surfaces
34.9 km
2.00 km
236 m
152 m
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Elevation
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Weather
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Friday 17 July
33°C
17°C
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This route was planned by komoot.
You can typically start this loop from the Heil Valley Ranch - Picture Rocks Trailhead. Another option is the Heil Valley Ranch - Corral Trailhead, depending on your preferred starting point for the loop.
No, dogs are generally not allowed on the Picture Rock and Wild Turkey Loop. This restriction is in place due to concerns about local wildlife.
The trail offers a great experience throughout much of the year. However, spring and fall often provide the most pleasant temperatures for jogging, with the added bonus of wildflowers in spring. Always check local weather conditions before heading out.
Yes, Heil Valley Ranch, where this loop is located, is part of Boulder County Parks and Open Space. A daily or annual pass is required for vehicle entry. You can find more information on passes and regulations on the Boulder County Parks & Open Space website.
The terrain is quite varied. You'll start with a generally gentle climb on Picture Rock, which becomes steeper and rockier higher up, featuring 'rock gardens' and larger obstacles. However, there are also 'buttery smooth' and 'fast flowy' singletrack sections, especially on descents and through forested areas. The Wild Turkey Trail also has legacy rocks but includes smooth, flowy sections.
Due to its total elevation gain and technical sections, this loop is generally rated as difficult for jogging. While some sections are very runnable, the presence of rocky terrain and significant climbs means it's best suited for intermediate to advanced trail runners who are comfortable with technical features.
You'll pass by an old grain silo about halfway down the Picture Rock section. A key highlight is the Wild Turkey Overlook, which offers a 'spectacular viewpoint' and is an excellent spot to pause and enjoy the scenery. You might also spot a Vintage Car along the way.
Yes, this is a popular multi-use trail, especially with mountain bikers. Joggers should be aware of shared trail use, stay alert, and yield to uphill traffic and mountain bikers, particularly on blind corners and descents.
Absolutely! This loop is notable for its connectivity. It can be used to link Heil Valley Ranch to the town of Lyons, or even connect Heil Ranch with Hall Ranch for significantly longer, more 'epic' runs if you're looking to extend your adventure.
The area is home to various wildlife. While specific sightings are never guaranteed, you might encounter deer, various bird species, and other small mammals. Remember to observe from a distance and respect their natural habitat.
The initial miles of the Picture Rock Trail are more mellow before the climb intensifies. Consider starting at a moderate pace to conserve energy for the steeper, rockier sections higher up. The descent often features 'fast flowy' singletrack, allowing for quicker running once you've navigated the technical climbs.
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