Greyrock Mountain

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Trail Distance: 3.1 miles
Time Estimate: 3 hr 40 min +
Elevation Gain: 2039 feet
Leash Rule: On Leash
Difficulty: Hard
Parking: Free
Route Type: Out-and-back
Restroom: Limited
Description

The Greyrock Mountain Trail is among the most pawpular day hikes in the Fort Collins area. The trailhead is about 25 miles west of the city on Colorado Hwy 14 in Poudre Canyon. With only 35 parking spots, expect the lot to fill early on sunny weekends. Assuming you nab a spot, your wolf pack can conquer Greyrock in a challenging half-day journey. 

The trail climbs an open hillside. Due to dramatic wildfires in recent years, little tree-cover is available here and bringing sunscreen is recommended. The peak elevation is 7,480 feet, so dramatic weather might accompany the dramatic views.

Lazy lapdogs might want to skip this strenuous climb up Greyrock Mountain, but athletic pups will love the adventure. The trail climbs over 2,000 feet in just 3 miles, parts of which are on exposed granite. A longer, more gradual ascent (or descent) is possible via the Greyrock Meadows spur trail. Though it adds more than a mile to your hike in each direction, the Meadows spur can make your climb more manageable for short-legged friends. Plus, this side trip provides furrific views of the entire rock unavailable from the direct main trail. It rejoins the Greyrock Trail again below the summit.

Moderate scrambling may be required to reach the top, and tender paws shouldn't attempt the summit. Vest harnesses are advisable, as they'll make it easier if Fido or Fifi needs a hand on the rocks. The trail here is marked with rock cairns; follow them carefully, as it can be easy to wander off the trail at this point. If you make it, you'll be rewarded with panoramic views over the canyon, city, and into the northern Rocky Mountain National Park. Just think of the dog pics you'll take!

If you took the Meadows spur on the ascent, the main Greyrock Mountain Trail will give you a fast-track back to the trailhead. You'll find vault toilets there if a different kind of nature is calling, and there are lovely roadside picnic spots along Hwy 14.

Trail Features
Steep Inclines, Rocky
Abundant Wildlife, Wildflowers, Scenic
Cautions & Considerations
Greyrock is a bear and mountain lion habitat, but those elusive beasties aren't regulars on this well-trafficked trail. Rattlesnakes are a more likely encounter; keep your leash tight and watch the trail ahead of you! Dehydration can also be dangerous on this steep climb; no drinking water is available along the trail, and signs warn that streams are unsafe to drink from due to Giardia parasites.
Address
Greyrock Trailhead Poudre Canyon Road
Bellvue, CO 80512
Hours
Mon Sunrise - Sunset
Tue Sunrise - Sunset
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Address
Greyrock Trailhead Poudre Canyon Road
Bellvue, CO 80512
Hours
Mon Sunrise - Sunset
Tue Sunrise - Sunset
Wed Sunrise - Sunset
Thu Sunrise - Sunset
Fri Sunrise - Sunset
Sat Sunrise - Sunset
Sun Sunrise - Sunset