Grays Peak Mountain

Colorado fourteener mountain and popular hiking summit

One of Colorado's fourteeners, Grays Peak draws hikers for its non-technical summit, high-alpine views along the Continental Divide and easy access from I‑70 corridors.

Main image

Grays Peak at a Glance#

About Grays Peak#

Grays Peak is a 14,278-foot (4,352 m) mountain in Colorado’s Front Range of the Rocky Mountains. It is classified as one of Colorado’s “fourteeners” and is a popular objective for hikers and scramblers.

A classic alpine hike and scramble, the summit offers broad high‑altitude views across the Continental Divide and surrounding ranges. The route involves tundra and rocky talus typical of Colorado fourteeners; many parties attempt Grays and the adjacent Torreys Peak on the same outing. The elevation gain to the summit makes this a strenuous day hike even for experienced walkers.

Named and mapped during 19th-century surveys of Colorado, the peak became a standard climbing objective as mountaineering and outdoor recreation expanded in the state. It has no developed facilities on the summit and is managed as part of public national forest lands.

The mountain rises in central Colorado along the I‑70 corridor of the Front Range, west of the Denver metropolitan area and within the high alpine landscape of Clear Creek and Summit county terrain.

  • Weather and conditions: Summit sits above the alpine treeline so weather can change rapidly; be prepared for high‑altitude conditions and strong sun.
  • Common route pairing: Often climbed together with neighbouring Torreys Peak, making a common ridge outing for hikers aiming for two

Tips for Visiting Grays Peak#

  • Start before sunrise - Colorado 14ers commonly have afternoon thunderstorms and the Grays-Torreys route fills with hikers later in the day, so an early start gives better weather and far fewer people on the ridge.
  • Use the common Stevens Gulch/Torreys-Grays trailhead (the established parking area for the two peaks) and plan to park early; many hikers combine Grays with Torreys in a single outing, so expect shared traffic at the lot.
  • If you have the energy, continue along the short connecting saddle to Torreys Peak after Grays - many visitors stop at Grays and miss the broader summit views and different perspective back down the valley.

Best Time to Visit Grays Peak#

Best visited in late June through early September for summer hiking when the summit is most reliably snow-free.

Best time (summer)
Late June-Early September · 32-50°F (0-10°C) at the summit
Trail is most likely to be snow-free, offering daylight for summit hikes; afternoon thunderstorms are common so start early.
Shoulder seasons
May-June, September-October · 20-40°F (-7-4°C) at the summit (variable)
Conditions can change rapidly with lingering snow or early snowfalls; good for experienced hikers who monitor forecasts.
Winter
November-April · Well below freezing at night; deep snow
High-alpine winter conditions with heavy snow and avalanche risk - suitable only for mountaineers with winter equipment and experience.

Weather & Climate near Grays Peak#

Climate

Grays Peak's climate is classified as Tundra - Tundra climate with cold summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -17°C to 14°C. Moderate rainfall (805 mm/year).

Air Quality: AQI 19 Good
Temperature & Rainfall
Temperature Range
14°
Warmest Month
-17°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January - -17° - -5° -21° 64 mm - - 8.2 m/s - -
February - -17° - -5° -20° 60 mm - - 7.0 m/s - -
March - -17° - -4° -19° 84 mm - - 6.2 m/s - -
April - -14° - -2° -16° 82 mm - - 6.1 m/s - -
May - -8° - 3° -9° 71 mm - - 6.0 m/s - -
June - -3° - 9° -1° 56 mm - - 5.6 m/s - -
July - 1° - 14° 5° 76 mm - - 4.6 m/s - -
August - 1° - 14° 4° 73 mm - - 4.6 m/s - -
September - -2° - 10° 0° 57 mm - - 5.5 m/s - -
October - -7° - 4° -7° 50 mm - - 6.6 m/s - -
November - -13° - -2° -16° 63 mm - - 6.9 m/s - -
December - -16° - -4° -19° 69 mm - - 8.1 m/s - -

Nearby Attractions to Grays Peak#