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Hiking trails & Routes
United States
Colorado
Clear Creek County

Grays Peak Trail

Hard

4.8

(8443)

14,287

hikers

Grays Peak Trail

05:41

11.7km

880m

Hiking

Embark on the challenging Grays Peak Trail, a difficult hike spanning 7.3 miles (11.7 km) with a significant elevation gain of 2871 feet (875 metres). You can expect to spend around 5 hours and 41 minutes on this route. The journey begins on a clear path winding through meadows, often vibrant with wildflowers during summer months. As you ascend, the landscape transforms, with trees giving way to a rugged, rocky alpine environment above 13,000 feet. Reaching the summit of Grays Peak rewards you with expansive panoramic views of the Colorado Front Range and nearby peaks like Torreys Peak.

Before you set out, be aware that the road leading to the trailhead can be quite rough, so a high-clearance vehicle is often recommended for easier access. Given the high altitude, it is wise to spend a day or two acclimatizing in a nearby town to help prevent altitude sickness. Also, be prepared for the possibility of snow on lower sections of the trail, even into late spring and early summer.

This popular route takes you to one of Colorado's iconic 14ers, peaks over 14,000 feet. The trail is renowned for its substantial elevation gain, making it a true test of endurance and a rewarding experience for those seeking a high-alpine adventure. It offers a classic Colorado Front Range hiking experience, combining challenging terrain with breathtaking vistas.

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Arapaho National Forest

Waypoints

A

Start point

Parking

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1

5.82 km

Grays Peak

Highlight • Summit

Grays Peak is one of Colorado's famous 14ers and one of the easier ones to summit. If you hike along the iconic Continental Divide Trail (stretching from Mexico to Canada), this mountain is directly on your route. As with all mountains in this area: Keep an eye on the weather. Thunderstorms in the afternoon are very likely during the summer months, so start your hike early. And since you are already here: With Torreys Peak, there is another 14er just around the corner.

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11.7 km

End point

Parking

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Way Types & Surfaces

Way Types

11.6 km

< 100 m

Surfaces

10.4 km

1.24 km

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Elevation

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Today

Sunday 5 July

19°C

6°C

0 %

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Max wind speed: 9.0 km/h

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Frequently Asked Questions

How long does it typically take to hike Grays Peak Trail?

The hike to Grays Peak typically takes between 4 to 7 hours to complete, depending on your pace and how much time you spend at the summit. This estimate is for the standard out-and-back route.

What is the best way to access the Grays Peak trailhead?

The trailhead is located in the Arapaho National Forest. Be aware that the access road to the trailhead can be rough and may require a high-clearance vehicle. It's advisable to check road conditions before heading out.

Is the Grays Peak Trail suitable for beginners?

While Grays Peak is considered a Class 1 hike, meaning it's primarily a walk on a trail, it is physically demanding due to the significant elevation gain and high altitude. It's often recommended as a great 'first 14er' due to its non-technical nature, but hikers should be prepared for a strenuous ascent and potential altitude sickness.

What is the terrain like on the trail?

The trail starts as a well-maintained, wide path through meadows. As you gain elevation, especially above 13,000 feet, the terrain becomes more rocky with steep sections and loose rocks. During late spring and early summer, lower portions may still have snow.

What kind of scenery and wildlife can I expect?

You'll experience stunning views of the Colorado Front Range and vast alpine environments. As you climb, the tree cover diminishes, and above 13,000 feet, the landscape is largely treeless. Wildlife sightings, such as mountain goats, are common along the route. From the summit of Grays Peak, you'll get panoramic vistas of surrounding peaks, including Torreys Peak.

When is the best time of year to hike Grays Peak?

The best time to hike is typically from late June through September, after most of the snow has melted and before winter conditions set in. This period offers the best chance for wildflowers in the lower meadows. Always aim to start early to avoid afternoon thunderstorms, which are common in the Rockies.

Are dogs allowed on the Grays Peak Trail?

Yes, dogs are generally allowed on the Grays Peak Trail. However, they must be kept on a leash at all times to protect wildlife and ensure the safety of other hikers. Please remember to pack out all pet waste.

Are there any permits or fees required to hike Grays Peak?

As of now, there are no specific permits or entrance fees required to hike Grays Peak Trail within the Arapaho National Forest. However, it's always a good idea to check the latest regulations on the USDA Forest Service website before your trip, as rules can change.

What should I know about hiking at high altitude on this trail?

Grays Peak reaches 14,278 feet (4,352 meters), so high altitude is a significant factor. Hikers, especially those coming from lower elevations, should be aware of and prepare for altitude sickness. Acclimatization for a day or two in a nearby town is highly recommended. Stay hydrated and be prepared to turn back if symptoms worsen.

Does the trail connect with other routes?

Yes, the route is a prominent section of the CDT - Colorado Section and the Continental Divide National Scenic Trail. It also connects to the Grays/Torreys Connector Trail and the Grays Torreys Saddle Trail, allowing hikers to combine Grays Peak with its neighboring 14er, Torreys Peak.

Is the Grays Peak Trail a loop or out-and-back?

The standard route for Grays Peak is an out-and-back trail. However, many hikers choose to combine it with Torreys Peak via the saddle, which creates a loop-like experience for summiting both peaks before returning to the trailhead.

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