Barney Lake· Mammoth Lakes· conditions updating now
Open the map →

Barney Lake

Lake · 10,209 ft · Mammoth Lakes corridor

Barney Lake sits at 10,209 feet in the Mammoth Lakes corridor of California's Sierra Nevada. This high-elevation alpine lake is sheltered by surrounding peaks and typically calmer than exposed water bodies at similar elevation.

Today
23
NoGo Score · Go · excellent
Temp
55°F
Wind
19 mph
Vis
15 mi
Precip
0.00"
AQI
40
Cloud
2%

Wind arrives mid-afternoon, funneling off the lake surface by 2 p.m. on most days. Morning calm lasts until late morning, making early visits superior for paddling or fishing. The 30-day average wind of 12 mph masks gusts to 31 mph; afternoon conditions deteriorate sharply.

The 30-day average temperature of 31 degrees Fahrenheit and 12 mph wind reflect typical spring conditions at this elevation. Over the past month, the NoGo Score averaged 37, with peaks near 65 on windier days and dips to 5 on calm mornings. The week ahead will likely follow this pattern of morning stability followed by afternoon wind and cooling.

30 days back / 7 days forward

NoGo Score
avg 16 · today 18
NoGo Score trend for Barney Lake: 30-day average 16, range 13 to 18; 6 days of forecastLine chart showing nogo score over 31 historical days and 6 days of forecast.
30-day average 16 (excellent); range 13 on Aug 4 to 18 on Aug 22. 7-day forecast trends in line with the historical average.
Wind
avg 16 · today 18mph
Wind speed trend for Barney Lake: 30-day average 16 mph, peak 20 mph on Aug 13Line chart showing wind over 31 historical days and 6 days of forecast.
30-day average 16 mph; peak 20 mph on Aug 13. Week ahead peaks at 18 mph on Aug 29.
Temperature
avg 64 · today 57°F
Temperature trend for Barney Lake: 30-day average 64°F, range 55 to 69°FLine chart showing temperature over 31 historical days and 6 days of forecast.
30-day average 64°F; range 55 (Aug 14) to 69 (Aug 6). Holding steady.
Crowding
avg 8 · today 8
Crowding trend for Barney Lake: typically quietLine chart showing crowding over 31 historical days and 6 days of forecast.
Typically quiet (avg 8); peak 11 on Aug 1.

Today's score by factor

Weather16
Crowding25
Avalanche10
Fire0
Traffic
Air quality8
Trails20
Seasonality51

About Barney Lake

Barney Lake drains into the Mammoth Lakes basin via a high-Sierra drainage system. Access is via Highway 395 south to Mammoth Lakes, then secondary roads into the Mammoth Lakes corridor. The lake sits in avalanche terrain; winter and spring approach routes require snowpack assessment through the Eastern Sierra Avalanche Center (ESAC). Base popularity is low compared to nearby Highway 395 destinations, meaning parking and crowding pressure remain minimal outside holiday weekends.

Temperature swings dominate the seasonal picture. The rolling 365-day minimum is 17 degrees Fahrenheit and the maximum 47 degrees Fahrenheit. Spring conditions, reflected in the 30-day average of 31 degrees, are transitional; snowpack stability is a critical planning variable through late April. Summer warming accelerates in June. Crowding averages 4 on a scale where higher numbers indicate more people; traffic peaks the first weekend after Highway 120 opens to the east.

Barney Lake suits high-altitude mountaineers, backcountry skiers, and early-season paddlers willing to launch in cold water. Winter and spring visitors must plan around avalanche terrain and unstable slab conditions; consult ESAC forecasts before approach. Wind data shows gusts to 31 mph, so afternoon paddling is high-risk; launch before 8 a.m. and clear the water by noon. The low base popularity attracts solitude-seeking visitors but also means limited services and no rescue infrastructure nearby.

Nearby Mammoth Lakes town offers lodging and permits, while the broader corridor includes Tioga Lake and June Lake Loop to the north. Barney Lake's elevation and avalanche exposure make it a specialist destination rather than a casual weekend stop. Visitors comparing conditions should note that protected eastern-shore lakes in the corridor show lower wind average but higher crowding; Barney Lake trades exposure for solitude and direct alpine character.

Best times to visit Barney Lake

Best day
Tuesday morning before 9 a.m.
Best season
Late May to mid-September
Watch for
Afternoon wind and avalanche terrain in spring

Nearby

Duck Pass
0.5 mi · Peak
Deer Pass
0.6 mi · Peak
Skelton Lake
0.9 mi · Lake
Herlihy Peak
1.0 mi · Peak
Arrowhead Lake
1.4 mi · Lake
Pika Pass
1.8 mi · Peak