Sentinel Bridge
About
Sentinel Bridge is a natural arch in Siskiyou County, California, at about 4,904 feet. It sits in Lava Beds National Monument.
Arch Facts
Elevation
4,904 ft
Land manager
National Park Service
Elevation from USGS 3D Elevation Program terrain data (about 10 m resolution).
Location
Sentinel Bridge
California
Name and location: U.S. Geological Survey, Geographic Names Information System (GNIS). Elevation: USGS 3D Elevation Program. View the GNIS record.
Facts about this place
When to go
Typical monthly averages (not a forecast) from the Lava Beds Nat Mon, CA weather station, 0.7 mi away. High / low in °F, and days with snow.
- Jan43° high23° low6 days with snow
- Feb46° high25° low5 days with snow
- Mar52° high28° low6 days with snow
- Apr57° high31° low4 days with snow
- May66° high38° low1 days with snow
- Jun76° high44° low
- Jul86° high52° low
- Aug86° high51° low
- Sep78° high45° low
- Oct66° high36° low1 days with snow
- Nov50° high27° low3 days with snow
- Dec41° high22° low5 days with snow
Where it is
- Doublehead Ranger District · Ranger district
- Lava Beds National Monument · National Park Service
- Modoc National Forest · National forest
- Nearest town
- Canby Cross, California · 7.8 mi
- Managed by
- National Park Service
Source: USFS EDW boundaries; NPS Land Resources boundaries; USGS PAD-US 4.1; USGS GNIS populated places
Conditions
Active alerts for Lava Beds National Monument as of Oct 9, 2026:
White-Nose Syndrome / Cave Permit
Information · posted Aug 24, 2026
Source: NPS Alerts API
Nearby
- Bunchgrass Trail Start, Tulelake, CAHiking0.8 mi
- Caldwell Minor TrailHiking0.8 mi
- Symbol Bridge Trail Start, Tulelake, CaHiking1.5 mi
- Lyons Trail Start, Tulelake, CaHiking1.6 mi
- Heppe Cave Trail Start, Tulelake, CAHiking1.7 mi
- Big Nasty Trail Start, Tulelake, CaHiking2.1 mi
- Three Sisters TrailHiking2.3 mi
- Schonchin SpringsCamping9.7 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
