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Half Dome

United States · California

hard

One of Yosemite's most iconic hikes, culminating in a cable-assisted climb to the famous granite dome summit.

⛰Trailhead:1,199m
🏔Summit:2,694m
📅Duration:1 day
🌍Country:United States

Generating AI safety verdict…

Trailhead Conditions

California, United States · 1199m

Friday, November 6 at 11:18 AM

3°C

Feels like 0°C

Clear sky

Humidity

59%

Wind

10 km/h E

Gusts

10 km/h

Pressure

1020 hPa

Dew Point

-2°C

Cloud Cover

0%

Visibility

10.0 km

Precip

0 mm

48-Hour Forecast

14-Day Forecast

Today
20°/ 3°
Sat, Nov 7
20°/ 6°
Sun, Nov 8
20°/ 7°
Mon, Nov 9
18°/ 7°
Tue, Nov 10
19°/ 7°
Wed, Nov 11
21°/ 8°
Thu, Nov 12
18°/ 8°
Fri, Nov 13
15°/ 7°
Sat, Nov 14
11°/ 8°
Sun, Nov 15
11°/ 5°

Is Half Dome safe to hike right now?

The AI safety verdict above is updated every 4 hours using live weather data from MET Norway at both the trailhead (1,199m) and the summit (2,694m). A GO verdict means current conditions are suitable for the trek. CAUTION means proceed with awareness of specific risk factors shown above. NO-GO means conditions are currently inadvisable — check back after the weather window passes.

How difficult is Half Dome?

Half Dome is rated hard. It demands strong fitness, prior high-altitude hiking experience, and careful acclimatisation. Altitude sickness is a real risk above 3,500m. The typical completion time is 1 day for a short trek.

What is the elevation of Half Dome?

The trailhead starts at 1,199 metres above sea level in California, United States. The summit or highest point reaches 2,694 metres — a net elevation gain of 1,495 metres.

What gear do I need for Half Dome?

The packing list in the AI verdict above is tailored to the current forecast. As a baseline for Half Dome in United States: waterproof jacket and trousers, trekking poles, sturdy boots, sun protection, and a first aid kit.

Weather data: MET Norway Locationforecast 2.0 (CC BY 4.0) · AI verdicts by Anthropic Claude