Brown Bear Pass· Yosemite· conditions updating now
Open the map →

Brown Bear Pass

Peak · 9,747 ft · Yosemite corridor

Brown Bear Pass is a 9,747-foot peak in the Yosemite corridor of California's Sierra Nevada. High-elevation exposure to westerly wind makes it a reliable test of mountain conditions and snow stability.

Today
17
NoGo Score · Go · excellent
Temp
26°F
Wind
25 mph
Vis
18 mi
Precip
0.00"
AQI
40
Cloud
7%

Wind dominates here. The pass funnels afternoon gusts as thermal currents rise from lower drainages; morning calm typically holds until 11 a.m. Winter snowpack is steep and avalanche-prone on approach slopes. Spring melt and freeze-thaw cycles destabilize cornices and slab terrain.

Over the last 30 days, Brown Bear Pass averaged 11 mph wind with gusts to 35 mph and a mean temperature of 27 degrees Fahrenheit. The rolling NoGo Score averaged 33, indicating consistent alpine instability. Watch the next seven days for shifts in wind direction and temperature swings that reset snowpack stability.

30 days back / 7 days forward

NoGo Score
avg 14 · today 14
NoGo Score trend for Brown Bear Pass: 30-day average 14, range 10 to 19; 6 days of forecastLine chart showing nogo score over 31 historical days and 6 days of forecast.
30-day average 14 (excellent); range 10 on Oct 7 to 19 on Oct 11. 7-day forecast trends in line with the historical average.
Wind
avg 14 · today 14mph
Wind speed trend for Brown Bear Pass: 30-day average 14 mph, peak 25 mph on Oct 10Line chart showing wind over 31 historical days and 6 days of forecast.
30-day average 14 mph; peak 25 mph on Oct 10. Week ahead peaks at 19 mph on Oct 18.
Temperature
avg 46 · today 34°F
Temperature trend for Brown Bear Pass: 30-day average 46°F, range 31 to 53°FLine chart showing temperature over 31 historical days and 6 days of forecast.
30-day average 46°F; range 31 (Oct 12) to 53 (Oct 3). Trending cooler.
Crowding
avg 3 · today 2
Crowding trend for Brown Bear Pass: typically quietLine chart showing crowding over 31 historical days and 6 days of forecast.
Typically quiet (avg 3); peak 6 on Sep 19.

Today's score by factor

Weather28
Crowding5
Avalanche10
Fire0
Traffic—
Air quality8
Trails20
Seasonality23

About Brown Bear Pass

Brown Bear Pass sits on the high divide between the Yosemite high country and the Sierra's eastern slope, accessed via Highway 120 eastbound from Yosemite Valley. The approach follows ridgelines and alpine meadows; trailheads lie roughly 90 minutes' drive from the valley floor. Winter access requires high-clearance vehicles and may be blocked by DOT closures; spring and early autumn offer the most reliable road conditions. The pass itself sits well above treeline and offers no shelter or water. Late-season snow fields and rocky scree dominate the terrain.

Brown Bear Pass sits in the Yosemite corridor's coldest zone. Year-round average temperature is 27 degrees Fahrenheit, with winter minimums dropping to 15 degrees and spring-summer highs reaching 39 degrees. Wind averages 11 mph but regularly exceeds 30 mph in afternoon hours. The 30-day rolling NoGo Score of 33 reflects volatile conditions typical of high passes; stable, calm days are rare and brief. Crowding averages 3 out of 10, meaning weekday traffic is light and weekend use remains sparse. The pass receives less visitation than more famous Yosemite backcountry, partly due to exposure and avalanche terrain.

Brown Bear Pass is best suited to experienced mountaineers and ski mountaineers with avalanche training. Winter and spring approaches demand careful snowpack assessment; consult the Sierra Avalanche Center forecast before committing. The exposed ridge offers no bailout; wind gusts above 25 mph will halt progress or force retreat. Parking at trailheads fills only during holiday weekends and high season. Carry water and food for the full day; melt water from snowfields is unreliable. Afternoon thunderstorms are common in summer and early autumn; start early and descend by mid-afternoon.

Nearby alternatives include Cathedral Pass and Kearsarge Pass, both slightly lower and less avalanche-prone, offering similar views with somewhat easier access. Glen Pass to the north carries comparable wind and exposure. For sea-level refuge after high-altitude days, drop to the Owens Valley via Highway 395 or return westbound through Yosemite Valley. Experienced parties often pair Brown Bear Pass with multi-day traverses of the Sierra crest.

Best times to visit Brown Bear Pass

Best day
Tuesday or Wednesday morning
Best season
Late August to early September
Watch for
Afternoon wind gusts and avalanche-prone snowpack in spring

Nearby

Molo Pinnacle
1.2 mi · Peak
Molo Mountain
1.5 mi · Peak
Middle Emigrant Lake
1.7 mi · Lake
High Emigrant Lake
1.8 mi · Lake
Emigrant Pass
2.2 mi · Peak
Relief Peak
2.4 mi · Peak