Kolana Rock· Yosemite· conditions updating now
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Kolana Rock

Peak · 5,774 ft · Yosemite corridor

Kolana Rock is a 5774 ft peak in the Yosemite corridor of California's Sierra Nevada, sitting above Tenaya Lake on the Highway 120 corridor. A scramble destination with avalanche terrain.

Today
35
NoGo Score · Go · good
Temp
49°F
Wind
5 mph
Vis
10 mi
Precip
0.04"
AQI
58
Cloud
85%

Wind accelerates off Tenaya Lake by mid-afternoon, pushing gusts to 26 mph in spring. Morning calm typically holds until late morning. Exposure on the approach means afternoon conditions deteriorate faster here than in sheltered valleys.

Over the past 30 days, Kolana Rock has averaged 9 mph wind and 38 degrees Fahrenheit, with a NoGo Score averaging 32. Crowding has been light at 3 on the scale. The week ahead will test whether calmer windows persist or afternoon wind dominates as it typically does in spring.

30 days back / 7 days forward

NoGo Score
avg 29 · today 35
NoGo Score trend for Kolana Rock: 30-day average 29, range 8 to 50; 7 days of forecastLine chart showing nogo score over 31 historical days and 7 days of forecast.
30-day average 29 (good); range 8 on Apr 13 to 50 on Apr 23. 7-day forecast trends slightly worse.
Wind
avg 9 · today 10mph
Wind speed trend for Kolana Rock: 30-day average 9 mph, peak 13 mph on Apr 21Line chart showing wind over 31 historical days and 7 days of forecast.
30-day average 9 mph; peak 13 mph on Apr 21. Week ahead peaks at 10 mph on May 9.
Temperature
avg 41 · today 45°F
Temperature trend for Kolana Rock: 30-day average 41°F, range 32 to 48°FLine chart showing temperature over 31 historical days and 7 days of forecast.
30-day average 41°F; range 32 (Apr 22) to 48 (May 2). Trending warmer.
Crowding
avg 4 · today 6
Crowding trend for Kolana Rock: typically quietLine chart showing crowding over 31 historical days and 7 days of forecast.
Typically quiet (avg 4); peak 6 on Apr 3.

Today's score by factor

Weather16
Crowding13
Avalanche35
Fire0
Traffic
Air quality14
Trails20
Seasonality53

About Kolana Rock

Kolana Rock stands at 5774 feet on the north shore of Tenaya Lake, reached via Highway 120 east of Yosemite Valley. The peak sits roughly 40 minutes from the valley proper and 90 minutes from Lee Vining. Access is straightforward from the Tenaya Lake trailhead parking area on Highway 120; the scramble ascends talus slopes and rock bands without technical climbing. Winter and early spring require avalanche terrain awareness. The peak commands views across the Cathedral Range and down the Tenaya drainage.

Spring and early summer bring the most unstable conditions. The 30-day average wind of 9 mph masks afternoon gusts to 26 mph, typical for a high-Sierra peak exposed to lake-driven convection. Morning temperature hovers near 38 degrees Fahrenheit in spring; afternoon heating can raise it to the low 50s, but wind chill cuts that gain. Crowding remains light at a 3 on the scale, lower than Cathedral Peak or North Dome. Winter snowpack persists through late spring, converting the approach to a snow-climbing problem; check SAC avalanche forecasts before committing.

Kolana Rock appeals to scramblers comfortable with loose rock and moderate exposure, not backcountry skiers or casual walkers. Experienced Sierra peakbaggers often pair it with nearby Tenaya Peak or Cathedral Peak in a single morning. Afternoon wind makes solo or inexperienced parties vulnerable; many visitors quit the summit block by noon and descend. Parking fills on weekends in summer, but crowding in spring and fall stays minimal. Water is absent on the peak itself; carry reserves for the approach.

Cathedral Peak lies 3 miles south across Tenaya Lake and offers technical climbing rather than a scramble. North Dome, accessed from the same Highway 120 corridor further west, is a longer hike with more stable afternoon conditions due to its lower elevation and different exposure. Tenaya Lake itself is closed to boats but open to swimming and fishing; many visitors combine a Kolana Rock morning scramble with a lakeside swim. Smoke from late-summer fires can degrade views and air quality; check current conditions before scheduling a summit day.

Best times to visit Kolana Rock

Best day
Tuesday or Wednesday morning before 10 a.m.
Best season
Late September through early October
Watch for
Afternoon wind off Tenaya Lake and avalanche terrain in spring snowpack

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