Mount Helen & Main Fire Trail is a 2.2-mile out-and-back in John Muir National Historic Site near Muir, CA. The route reaches Mount Helen at the turnaround, 0.9 miles in. It climbs 590 ft, with sections as steep as 18% grade, and is mostly dirt. It scores 5/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi131 – 640 ft · steepest grade: 18%2.3 mi
Getting there
Trailhead: Main Fire Trail 37.98946, -122.13009
Nearest town Muir, CA
Directions
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Mount Helen & Main Fire Trail
2.2 mi · ▲ 590 ft · 1 hr 2 min
Elevation 130–640 ft
Out & Back · John Muir National Historic Site
Trailhead: Main Fire Trail · 37.98946, -122.13009
Weather Sep 4: Overcast, high 74°F / low 56° · precip 1% · wind 11 mph · sunrise 6:42 AM · sunset 7:35 PM
Transit-accessible: Alhambra Avenue & Franklin Canyon Road stop 81 m from the trailhead
- Start on Main Fire Trail, heading SE.
- 0.9 miPass Mount Helen.
- 0.2 miReach Mount Helen, then turn around and head back the way you came.
- 1.1 miArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
100% dirt
Weather
OvercastTemperature 74°F56°
Precip1%Wind11 mphUV7Humidity49%
Hourly temperature
75°55°
Sunrise 6:42 AM12 AM3 AM9 AM12 PM3 PMSunset 7:35 PM
Sat
75°54°
Sun
76°54°
Mon
87°58°
Tue
83°64°
Wed
75°61°
17%
Thu
91°69°
Good to know
- Transit-accessible: Alhambra Avenue & Franklin Canyon Road stop 81 m from the trailhead
More from Main Fire Trail Trailhead
- Brashear N Trail & Main Fire Trail 2.7 mi · ▲ 711 ft
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