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P.O. Box 791
Boulder, CO 80306
303-441-3440
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Open Space & Mtn Parks Trails & Recreation
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Boulder Valley Ranch Trailhead
Click the map at left for a larger PDF map (2.27 MB).
LOCATION One mile north of Boulder on Highway 36, then one mile east of Highway 36 on Longhorn Road (a dirt road). The turn-off from the highway onto Longhorn Road is marked with a sign for Boulder Valley Ranch Open Space.
Please check for temporarily or seasonal closures and advisories.
Parking lot on south side of Longhorn Road. TRAILS The Eagle (2.6 mile from Mesa Reservoir to Eagle Trailhead) and Sage Trails (1.8 mile [2.7 for whole Sage/Eagle Loop]) form a loop between this trailhead and the Eagle Trailhead. Heading southward on the Sage Trail you can either take this loop or head westward on the Cobalt Trail below an old smelter of 1930s to 1940s vintage and connect to the Eagle Trail as it heads toward the Foothills Trailhead. Another option is to pass the Cobalt Trail (0.9 mile) and take the Eagle Trail as it turns up toward the now dry Mesa Reservoir. A loop hike is available in the Mesa Reservoir area by following the Hidden Valley (1.0 mile) and Mesa Reservoir Trails (0.8 mile). ACCESSIBILITY This area is identified as being popular with people using wheelchairs. See the RESTROOMS Located at the trailhead. PICNIC FACILITIES No picnic facilities. BIKE REGULATIONS Bicycles are allowed on the Eagle and Sage Trails. Bicycles may be ridden only on those trails that are posted with the international bicycle symbol. Other bike trails on Open Space and Mountain Parks DOG REGULATIONS All dogs must be leashed in the Trailhead Leash Area. Beyond the trailhead, dog control requirements vary from trail to trail, so carefully watch for dog regulation signs at trailheads and trail intersections, and check the Dog Regulations by Area page before your trip. On most OSMP trails in this area, dogs must be on a hand-held leash at all times unless they meet the voice and sight control standard and display a City of Boulder Voice and Sight tag. Dog excrement removal is required by law. HORSE REGULATIONS Allowed on all trails. Off-trail riding is discouraged to protect rare plants and wildlife habitat. WILDLIFE
Boulder Valley Ranch is home to a fragile plant community on the black "Shale Barren" soils. Bell's Twinpod (pictured at right) is a very rare plant that is unique to shale soils of Front Range Colorado. HISTORIC INFO
Please know OSMP rules and regulations. Please study our six Leave No Trace" Principles to protect the land. Last Updated on Wednesday, 31 October 2012 09:41 |
Trails Accessibility Guide (TAP) 
There is an abundance of raptors: eagles, northern harriers, red-tailed hawks may be observed. Mule deer and coyotes are frequently sighted. Many snakes can be found in this area including rattlesnakes and bull snakes.