Sunnyside
- 8.0 mi
- round trip
- 1,360 ft
- climb
- 10,101 ft
- high point
- Out and back
- route
- Jun–Aug
- best months
Is Sunnyside open right now?
Alert in the area
The Forest Service lists 6 alerts for White River National Forest.
FSR 286, Radical Hill, is closed due to washouts and unsafe conditions
Agency alert covering White River National Forest · USFS · White River National Forest
Limited parking at Snowmass Creek Trailhead
Agency alert covering White River National Forest · USFS · White River National Forest
Grizzly Creek Trail Closure
Agency alert covering White River National Forest · Order 2026-02 · USFS · White River National Forest
Ruedi Marina Day Use area Dump Station is CLOSED
Agency alert covering White River National Forest · USFS · White River National Forest
Asbestos safety closure - Camp Hale
Agency alert covering White River National Forest · USFS · White River National Forest
As of · Source: USFS · White River National Forest. Agencies don't list every closure — check before you go.
Sunnyside is a moderate out-and-back hike in the Aspen Ranger District of White River National Forest, about 2 miles from Aspen, Colorado. The trail is 8 miles long, with a one-way climb of about 1,360 feet from a low point of roughly 8,536 feet to a high of about 10,101 feet. The Forest Service manages the land, and the trail is natural-surfaced, with horses and bikes both allowed. Summer is the most comfortable time to go. Typical averages from a nearby weather station show July highs around 73°F with lows near 39°F, while winter highs stay around 31°F. The Shadyside Cut and Shadyside mountain biking trails sit within a mile. Climbers can head to East Face, about 1.4 miles away, and paddlers will find Woody Creek about 2.3 miles off.
Go with a guide
- Mineral Belt Trail Guided WalkRoamze · $25 per person · 28 mi away
- Maroon Bells Guide and Outfitters5 mi away
Best time to go · Jun–Aug
Best time to visit Sunnyside
Best months: June–August. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
31° / 3°
8 wet
Feb
33° / 3°
8 wet
Mar
39° / 9°
8 wet
Apr
44° / 18°
8 wet
May
55° / 27°
9 wet
Jun
68° / 34°
9 wet
Jul
73° / 39°
12 wet
Aug
70° / 38°
12 wet
Sep
62° / 31°
8 wet
Oct
51° / 23°
6 wet
Nov
39° / 14°
7 wet
Dec
31° / 6°
7 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Sugarloaf Rsvr, CO, 24.1 mi away at 9,738 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
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