Is John Muir Trail 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 (4,421m). 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 John Muir Trail?

John Muir Trail 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 21 days for a full expedition.

What is the elevation of John Muir Trail?

The trailhead starts at 1,199 metres above sea level in California, United States. The summit or highest point reaches 4,421 metres — a net elevation gain of 3,222 metres. At this altitude, altitude sickness (AMS) is possible — ascend gradually and rest if symptoms appear.

What gear do I need for John Muir Trail?

The packing list in the AI verdict above is tailored to the current forecast. As a baseline for John Muir Trail in United States: layer for extreme cold (summit temperatures can drop well below freezing even in summer), bring sun protection for high UV at altitude, and carry a detailed map.