Thomas Hill
About
Thomas Hill is a summit of 4,356 feet in northern California, where the Doublehead Ranger District of Modoc National Forest meets Lava Beds National Monument. The nearest town is Newell, about 12 miles away. Summer is the most comfortable time to go. Typical averages from a nearby weather station show July and August highs around 86°F with lows near 50°F and only two or three wet days a month. Winter brings highs in the low 40s and regular snow days. The Thomas-Wright Battlefield Trail starts just 0.1 mile away, and its Tulelake trailhead is under a mile off. Within about 2 miles you'll also find the Gold Digger Pass Trail and the Schonchin Lookout Trail.
Summit Facts
Summit elevation
4,356 ft
Elevation from USGS 3D Elevation Program terrain data (about 10 m resolution).
Location
Thomas Hill
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
Best time to go: May–Jun. The mildest months here, with typical highs of 66–76°F and lows of 38–44°F.
Typical monthly averages (not a forecast) from the Lava Beds Nat Mon, CA weather station, 5 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
- Newell, California · 12 mi
Source: USFS EDW boundaries; NPS Land Resources boundaries; 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
- Thomas-Wright Battlefield TrailHiking0.1 mi
- Thomas-Wright Battlefield Trail Start, Tulelake, CaHiking0.9 mi
- Gold Digger Pass TrailHiking1.8 mi
- Schonchin Butte Trail Start, Tulelake, CaHiking2 mi
- Schonchin Lookout TrailHiking2 mi
- Powerline TrailHiking2.1 mi
- Whitney Butte Trail Start, Tulelake, CaHiking2.8 mi
- Three Sisters Trail Start, Tulelake, CaHiking2.9 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
