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Routes
Hiking trails & Routes
United States
Colorado
Boulder County

Heil Valley Ranch Trail

Hard

4.9

(2311)

7,410

hikers

Heil Valley Ranch Trail

18:24

65.6km

1,280m

Hiking

Embark on a challenging 40.7-mile hike through Heil Valley Ranch, featuring diverse terrain, scenic vistas, and significant wildlife.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

13.2 km

Elise Hoerath Memorial Overlook

Highlight • Viewpoint

This overlook offers gorgeous views of the surrounding hills to the east and west. It's also quite rocky, so be ready for some technical riding coming and going.

Tip by

2

38.8 km

Vintage Car

Highlight • Structure

Right off the popular Picture Rock Trail is an old, vintage, rusted out green car. This1930s (!) car is somewhat of a local landmark and a fun place to stop …

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3

44.0 km

The Picture Rock Trailhead is one of several trailheads that grant access to the Heil Valley Ranch Open Space that spans north-south between Boulder and Lyons. At the Picture Rock …

Tip by

4

63.6 km

The Corral Trailhead is right off of Lefthand Canyon Drive and is the southernmost trailhead and access point for Heil Valley Ranch. Although it is not the biggest trailhead and …

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B

65.6 km

End point

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Way Types & Surfaces

Way Types

48.5 km

13.6 km

2.92 km

484 m

< 100 m

Surfaces

63.2 km

2.32 km

< 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 (2,070 m)

Lowest point (1,640 m)

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Weather

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Today

Wednesday 15 July

31°C

14°C

16 %

Additional weather tips

Max wind speed: 14.0 km/h

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Frequently Asked Questions

How long does it typically take to hike the Heil Valley Ranch Trail?

The full Heil Valley Ranch Trail, as mapped, is a challenging route covering approximately 65.5 km (40.7 miles) with an estimated duration of around 18 hours. However, the ranch offers many shorter loops and segments for various hiking experiences.

What is the terrain and difficulty like on the Heil Valley Ranch Trail?

The Heil Valley Ranch Trail system offers diverse terrain, from easy strolls to moderately challenging climbs. The main route is rated as difficult due to its length and significant elevation gain (over 1,280 meters). You'll encounter rocky sections, especially on trails like the Wapiti Trail and parts of the Overland Loop, as well as rolling terrain through ponderosa pine forests and open meadows. Some paths feature flagstone for stability.

Where can I park when visiting Heil Valley Ranch?

Heil Valley Ranch has multiple trailheads with parking facilities. The main ones mentioned are the Heil Valley Ranch - Picture Rocks Trailhead and the Heil Valley Ranch - Corral Trailhead. These trailheads also typically offer restrooms and picnic tables.

Are dogs allowed on the trails at Heil Valley Ranch?

No, dogs are not permitted on any trails within Heil Valley Ranch. This regulation is in place due to the area being a significant wildlife habitat, home to over 50 species of mammals and nearly 100 types of birds.

What is the best time of year to hike the Heil Valley Ranch Trail?

Heil Valley Ranch can be enjoyed year-round, but the best time often depends on your preference. Spring and fall offer pleasant temperatures and vibrant scenery. In colder months, Rocky Mountain elk can often be spotted, but be prepared for potentially icy or snowy conditions. Always check current conditions before heading out.

Are there any permits or entrance fees required for Heil Valley Ranch?

Heil Valley Ranch is part of Boulder County Parks & Open Space. Generally, there are no entrance fees for accessing the trails. However, it's always a good idea to check the official Boulder County Parks & Open Space website for any updated regulations or specific permit requirements for certain activities or group sizes.

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

The trail offers varied and appealing scenery, including lush valleys, open meadows, and dense ponderosa pine forests. You'll observe unique geological formations where the Great Plains meet the Southern Rocky Mountains. Notable points of interest along the route include the Elise Hoerath Memorial Overlook, offering picturesque vistas, and a Vintage Car. The Ponderosa Loop, when taken counter-clockwise, provides rewarding views of the Indian Peaks Wilderness and Longs Peak.

What wildlife might I encounter at Heil Valley Ranch?

Heil Valley Ranch is rich in wildlife. You might spot over 50 species of mammals, including deer, and in colder months, Rocky Mountain elk are common. Nearly 100 types of birds, such as golden eagles and prairie falcons, also inhabit the area. Remember that dogs are not allowed to protect this sensitive wildlife habitat.

Is the Heil Valley Ranch Trail family-friendly?

While the full mapped route is difficult, Heil Valley Ranch offers several shorter, easier trails that are suitable for families and beginners. The Grindstone Quarry Trail (1.4 miles), Lichen Loop (1.3 miles), and Schoolhouse Loop (0.9 miles) are generally considered family-friendly options within the ranch's trail system.

Does the Heil Valley Ranch Trail connect to other paths?

Yes, the Heil Valley Ranch Trail system is well-connected. The main route incorporates sections of the Heil Valley Ranch trail (99%), Picture Rock Trail (30%), Wild Turkey (27%), and Wapiti Trail (26%). The Picture Rock Trail also provides a connection to Hall Ranch, offering options for longer excursions and extended hiking opportunities.

What's an insider tip for hiking at Heil Valley Ranch?

For some of the most rewarding views, consider hiking the Ponderosa Loop counter-clockwise. This approach offers stunning vistas from a high point before descending into a meadow, providing expansive views of the Indian Peaks Wilderness and Longs Peak. Also, the Lichen Loop is a hiker-only trail, offering a quieter experience through ponderosa pine forests.

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