| Height: | 262.00+ ft | (79.86+ m) | Elevation: | 4,906 ft (1,495 m) | GPS Latitude: | 38.24838 |
| Volume: | 30,580 ft3 | (866 m3) | Creek: | Big Trees Creek | GPS Longitude: | -120.24172 |
| Width: | 22.28 ft | (6.79 m) | Grove: | South Grove | Discovery Date: | |
| Age: | Park: | Calaveras Big Trees SP | Discovered By: |
Notes: Louis Agassiz, named to honor Swiss-American biologist and geologist Jean Louis Rodolphe Agassiz, is the world's 29th largest tree, the 26th largest giant redwood, and the largest tree in Calaveras Big Trees State Park.
Drive: Louis Agassiz is 123 mi (198 km) east of San Francisco near the community of Arnold.
From U.S. Interstate 5 in Stockton, transfer to California State Route 4 East. Drive east 74 mi (119 km) on California State Route 4 East to the entrance to Calaveras Big Trees State Park. Turn right onto Big Trees Parkway (also known as Walter W. Smith Memorial Parkway), pass the park entrance station (entrance fee required), and drive southeast 8.4 mi (13.5 km) on Big Trees Parkway to the South Grove Trailhead parking lot.
Hike: From the trailhead, hike south 0.2 mi (0.3 km) on South Grove Trail, across the bridge over Beaver Creek, to the junction with Bradley Grove Trail. Continue hiking south and then east 1.0 mi (1.6 km) on South Grove Trail, across a dirt road, to the junction with South Grove Loop Trail. Veer left at the trail junction and hike 1.1 mi (1.8 km), past Palace Hotel Tree, to Louis Agassiz.
| Rating: | Easy | One-Way Distance: | 2.3 mi | (3.7 km) | Ascent: | 489 ft | (149 m) |
| Time: | 1 hour | Off-Trail: | 0 ft | (0 m) | Descent: | 111 ft | (34 m) |
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Photos: Pictures of Louis Agassiz Tree taken from different sides
