Hamilton Mountain· North Sierra· conditions updating now
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Hamilton Mountain

Peak · 7,339 ft · North Sierra corridor

Hamilton Mountain is a 7339-foot peak in the North Sierra corridor east of Lake Tahoe. Avalanche terrain and wind-exposed ridges demand careful timing and snowpack awareness.

Today
19
NoGo Score · Go · excellent
Temp
53°F
Wind
12 mph
Vis
10 mi
Precip
0.00"
AQI
6
Cloud
100%

Wind funnels across the high ridges in the afternoon, with the 30-day average of 11 mph often exceeding 20 mph by late day. Morning calm windows close by mid-morning. Snowpack persists well into spring; assess stability before ascending steep slopes.

Over the past 30 days, Hamilton Mountain averaged a NoGo Score of 35, with temperatures holding around 36 degrees and wind averaging 11 mph. The week ahead shows variable conditions typical of spring transition; plan around afternoon wind spikes and monitor avalanche forecasts from the Sac Avalanche Center before attempting steeper terrain.

30 days back / 7 days forward

NoGo Score
avg 12 · today 12
NoGo Score trend for Hamilton Mountain: 30-day average 12, range 10 to 16; 6 days of forecastLine chart showing nogo score over 31 historical days and 6 days of forecast.
30-day average 12 (excellent); range 10 on Aug 24 to 16 on Aug 22. 7-day forecast trends in line with the historical average.
Wind
avg 13 · today 13mph
Wind speed trend for Hamilton Mountain: 30-day average 13 mph, peak 16 mph on Aug 22Line chart showing wind over 31 historical days and 6 days of forecast.
30-day average 13 mph; peak 16 mph on Aug 22. Week ahead peaks at 15 mph on Aug 29.
Temperature
avg 66 · today 58°F
Temperature trend for Hamilton Mountain: 30-day average 66°F, range 58 to 74°FLine chart showing temperature over 31 historical days and 6 days of forecast.
30-day average 66°F; range 58 (Aug 28) to 74 (Aug 8). Holding steady.
Crowding
avg 9 · today 7
Crowding trend for Hamilton Mountain: typically quietLine chart showing crowding over 31 historical days and 6 days of forecast.
Typically quiet (avg 9); peak 14 on Aug 8.

Today's score by factor

Weather13
Crowding26
Avalanche10
Fire0
Traffic
Air quality1
Trails5
Seasonality50

About Hamilton Mountain

Hamilton Mountain sits in the North Sierra corridor, accessed primarily via Highway 89 from the west or Highway 395 from the east. The peak stands at 7339 feet, commanding views into the high Sierra watershed. The approach typically starts from trailheads near the Tahoe rim or from the Carson Range side; verify current road conditions and parking availability before departure. Spring access depends on snowpack; early-season parties should expect snow-covered terrain and route-finding challenges above the timber zone.

The mountain experiences spring conditions through late season, with temperatures averaging 36 degrees over the rolling 30 days and frequent wind events pushing gusts to 20 mph. The rolling 30-day average wind of 11 mph masks sharp afternoon acceleration; mornings are reliably calmer but narrow. Crowding averages 5 over the 30-day window, indicating light to moderate use except during holiday weekends. Winter snowpack retreats gradually; expect wet-slab hazard in mid-slope gullies during warm afternoons in spring.

Hamilton Mountain suits experienced alpinists comfortable with avalanche terrain and high-altitude routefinding. Parties should carry avalanche safety gear, including shovel and probe, when snowpack covers slopes steeper than 30 degrees. The rolling 365-day temperature range from 22 to 51 degrees underscores variable conditions; plan for rapid thermometer swings and carry layering appropriate to morning chill and afternoon sun. Afternoon wind makes this a summit-by-noon peak; depart trailhead in pre-dawn darkness to maximize the calm window.

Nearby peaks in the North Sierra corridor offer alternatives with different exposure profiles. The rolling 30-day NoGo Score of 35 places Hamilton Mountain in the moderate-difficulty range for alpine touring and peak-bagging; compare conditions with neighboring summits before committing. High-elevation exposure means wind and weather change quickly; turn-around times matter more than mileage. Monitor the Sac Avalanche Center daily during spring transition for terrain-specific hazard assessments.

Best times to visit Hamilton Mountain

Best day
Tuesday morning before 10 a.m.
Best season
Late April through mid-May and September
Watch for
Afternoon wind gusts and avalanche terrain instability in spring snowpack

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