Trails · Rocky Mountain National Park
Deer Mountain Trail
A moderate climb to a 10,013-foot summit with one of the biggest views in the park — a near-360° sweep of Longs Peak, Hallett Peak, the Mummy Range, Moraine Park, and the whole Continental Divide.
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Deer Mountain is the classic “big view for moderate effort” hike of the northern park. From Deer Ridge Junction — where Highways 34 and 36 meet, about 3 miles west of the Beaver Meadows entrance — the trail climbs through open ponderosa in a series of switchbacks. Don't let the gentle start fool you; it steepens as it goes, gaining roughly 1,400 feet over three miles to the summit shoulder.
At about 2.9 miles you reach the summit trail junction; a short spur climbs the last couple hundred feet to the 10,013-foot top, where the trees fall away to an almost 360-degree panorama — Estes Park and Moraine Park below, Longs Peak and Hallett Peak on the Divide, and the Mummy Range to the north. (From the junction the main trail also traverses east and down toward Estes Park, and a separate approach climbs from the north.) This is Rocky Mountain National Park: dogs aren't allowed on the trail, and a summer timed-entry permit is usually required to drive in.
Trail Facts
Difficulty
Moderate
To the summit
3 mi one-way (~6 mi round trip)
Summit
10,013 ft
Elevation Gain
~+1,400 ft
Bikes
Not allowed (National Park)
Stock / Horse
Allowed
Dogs
Not allowed (National Park)
Season
Late spring–fall
Surface
Dirt
Manager
Rocky Mountain National Park
Getting There
From Estes Park, enter RMNP at the Beaver Meadows entrance (US-36) — a timed-entry permit is usually required in summer. The Deer Mountain trailhead is at Deer Ridge Junction, where US-36 meets US-34, about 3 miles in. Parking is limited and fills early; no water at the trailhead.
| 0.0 mi | Deer Ridge Junction Trailhead (US-34/36) |
| 0.5–2.5 mi | Switchbacks up through ponderosa — steepening |
| 2.9 mi | Summit trail junction (main trail continues east toward Estes Park) |
| 3.0 mi | Deer Mountain summit, 10,013 ft — near-360° views |
Know Before You Go
- National Park rules. Dogs aren't allowed on the trail; a timed-entry permit is usually required to drive into RMNP in summer — reserve at recreation.gov.
- Deceptively steep. The easy opening grade steepens near the top — pace yourself for the last mile.
- Exposed summit. The near-360° view comes with full exposure — turn around before afternoon thunderstorms.
- Go early. The Deer Ridge Junction lot is small and fills fast.
- Carry water. None on the trail; bring plenty.
Built by Many Hands — Give a Little Back
Love this guide? Wear it. Every hat, tee, and cozy layer in our Red Feather Lakes collection helps us keep mapping trails and keeping this guide free — mountain apparel designed right here in the high country, with more trail gear on the way.
Shop the Collection →These trails don't tend themselves either. Every mile is watched over by volunteers and public stewards we lean on to bring you this guide — if you love these mountains, please pitch in for them too:
- Poudre Wilderness Volunteers — trail patrols & the official trail description Donate →
- Colorado Parks & Wildlife / COTREX — the mapped trail route & statewide trail data Donate →
- Arapaho & Roosevelt National Forest (USFS) — the public land itself Support →
- OpenStreetMap contributors — the Street basemap Donate →
- Google & USGS — trailhead location, ratings & topographic maps
Trail details compiled by the Red Feather Lakes Travel Guide from the sources above. Photography by us — more of our own trail images coming as we hike them.

