Tamarack Flat Trailhead· Yosemite· conditions updating now
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Tamarack Flat Trailhead

Trailhead · Yosemite corridor

Tamarack Flat Trailhead sits at 7073 feet in Yosemite's high Sierra corridor, a modest staging point for backcountry access. Wind and exposure define the place.

Today
30
NoGo Score · Go · good
Temp
49°F
Wind
8 mph
Vis
12 mi
Precip
0.00"
AQI
58
Cloud
100%

Wind runs steady and can spike to 23 mph in the afternoon; morning calm is the exception. Temperatures average 40 degrees Fahrenheit across the 30-day window. The exposed parking area offers no shelter; afternoon visitors face direct gusts funneling off ridge terrain.

The 30-day average wind of 7 mph masks afternoon surges and cold baseline temperatures near 40 degrees. Crowding remains light at an average of 13 people; the trailhead is rarely busy. The week ahead will follow typical spring volatility, with wind and temperature swings tied to storm passage.

30 days back / 7 days forward

NoGo Score
avg 17 · today 21
NoGo Score trend for Tamarack Flat Trailhead: 30-day average 17, range 10 to 24; 7 days of forecastLine chart showing nogo score over 31 historical days and 7 days of forecast.
30-day average 17 (excellent); range 10 on Apr 7 to 24 on Apr 11. 7-day forecast trends slightly better.
Wind
avg 7 · today 6mph
Wind speed trend for Tamarack Flat Trailhead: 30-day average 7 mph, peak 13 mph on Apr 21Line chart showing wind over 31 historical days and 7 days of forecast.
30-day average 7 mph; peak 13 mph on Apr 21. Week ahead peaks at 9 mph on May 10.
Temperature
avg 43 · today 46°F
Temperature trend for Tamarack Flat Trailhead: 30-day average 43°F, range 32 to 52°FLine chart showing temperature over 31 historical days and 7 days of forecast.
30-day average 43°F; range 32 (Apr 22) to 52 (May 2). Trending warmer.
Crowding
avg 14 · today 23
Crowding trend for Tamarack Flat Trailhead: typically quietLine chart showing crowding over 31 historical days and 7 days of forecast.
Typically quiet (avg 14); peak 26 on Apr 3.

Today's score by factor

Weather8
Crowding54
Avalanche0
Fire0
Traffic
Air quality14
Trails20
Seasonality53

About Tamarack Flat Trailhead

Tamarack Flat Trailhead sits on the high plateau of Yosemite's Sierra Nevada corridor, accessed via Highway 120 from the west. The trailhead launches hikers into the high country south and east of Tuolumne Meadows, connecting to larger backcountry networks. The nearest gateway is Lee Vining to the east or Groveland to the west; Highway 120 is the only practical approach. Parking is limited and unimproved; arrive early to secure a spot, especially on weekends after Highway 120 opens for the season.

Spring and early summer bring the highest wind, with 30-day gusts reaching 23 mph and an average of 7 mph across rolling weeks. Temperatures average 40 degrees Fahrenheit in the rolling 30-day window and can drop to 26 degrees overnight or earlier in the season. Summer stabilizes conditions but brings afternoon thunderstorms; late summer and early fall offer the calmest window. Winter closure of Highway 120 ends access entirely. Crowding averages 13 people and stays low year-round; this is not a destination trailhead.

Tamarack Flat Trailhead suits backpackers pursuing multi-day routes into the high Sierra, not day hikers seeking views or quick ascents. Expect exposed, windswept terrain with minimal shelter or services. Experienced users plan for afternoon wind by hiking early, carrying extra layers, and avoiding the exposed parking area during peak gusts. Water sources are absent at the trailhead itself; carry sufficient capacity or plan to cache water upstream.

Nearby alternatives include Cathedral Lakes Trailhead and Glen Aulin High Sierra Camp, both accessed via Highway 120. Tamarack Flat Trailhead differs in its isolation and backcountry character; it draws fewer visitors and offers no ranger station, water, or facilities. For day hikes with guaranteed parking and services, Tenaya Lake or the Tuolumne Meadows complex are superior choices. Tamarack Flat Trailhead is a launching point for committed backpackers, not a public recreation area.

Best times to visit Tamarack Flat Trailhead

Best day
Tuesday or Wednesday morning
Best season
Late August through mid-September
Watch for
Afternoon wind gusts and afternoon thunderstorms

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