Upper Boulder Lake
Is Upper Boulder Lake 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.
Upper Boulder Lake is a 5-acre lake near Silverthorne, Colorado, at about 11,335 feet. It is managed by the U.S. Forest Service.
Local outfitters
- Cutthroat Anglers10 mi away
- Rancho Del Rio24 mi away
Not on Roamze yet. Their page has how to reach them.
- Upper PineyLake fishing3.4 mi
Boulder Creek TrailMountain bikingPhoto: Don Graham from Redlands, CA, USA - God bless it!, CC BY-SA 2.0 (via Wikimedia Commons)3.5 mi- Gore Mountain RangeRock climbing3.7 mi
- Pebble CreekHiking3.8 mi
- Easter Egg BoulderRock climbing4.7 mi
Gore Creek CampgroundCampingPhoto: KimonBerlin — CC BY-SA 2.0 (via Flickr)5 mi- Lower/Upper Slate Lakes #65Lake fishing5.4 mi
- Blue River CampgroundCamping6.4 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
- Booth LakeLake fishing · ~6 min drive
- Dillon ReservoirLake fishing · ~21 min drive
- Lost LakeRiver fishing · ~17 min drive
- Blue RiverRiver fishing · ~18 min drive
- Upper PineyLake fishing · ~6 min drive
- Beaver Creek Ski ResortRiver fishing · ~27 min drive
- PitkinLake fishing · ~8 min drive
- Beaver LakeRiver fishing · ~28 min drive
- Deluge LakeLake fishing · ~8 min drive
- Fall CreekRiver fishing · ~29 min drive
Also worth it near here
Boulder Creek TrailMountain biking · ~6 min drivePhoto: Don Graham from Redlands, CA, USA - God bless it!, CC BY-SA 2.0 (via Wikimedia Commons)
Booth Creek BouldersRock climbing · ~8 min drivePhoto: toastal_OLD, CC BY 2.0 (via Flickr)
North TraverseHiking · ~8 min drivePhoto: Scott McLeod, CC BY 2.0 (via Flickr)
Gore Creek CampgroundCamping · ~9 min drivePhoto: KimonBerlin — CC BY-SA 2.0 (via Flickr)
Best time to visit Upper Boulder Lake
No month here meets our mild-weather rule. 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
27° / 3°
15 wet · 15 snow
Feb
29° / 3°
15 wet · 15 snow
Mar
35° / 8°
14 wet · 14 snow
Apr
40° / 15°
13 wet · 13 snow
May
49° / 25°
10 wet · 8 snow
Jun
61° / 34°
8 wet · 2 snow
Jul
67° / 40°
13 wet
Aug
64° / 39°
15 wet
Sep
58° / 32°
11 wet · 2 snow
Oct
47° / 21°
9 wet · 7 snow
Nov
35° / 11°
12 wet · 12 snow
Dec
27° / 3°
15 wet · 15 snow
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Climax, CO, 22.9 mi away at 11,344 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.