
The Mendocino National Forest defines this high-elevation landscape, where the Trinity County and Mendocino County border meets the Yolla Bolly Middle Eel Wilderness. A network of 4WD tracks navigates the steep grades between Hulls Mountain and Castle Peak, connecting seasonal outposts and family-named landmarks. The presence of the Old Indian Treaty Boundary and the Round Valley Indian Res Bdy reflects the complex land division of this region. Notable former activity centers include Lightning Camp (Site) and Salt Rock Camp (Site), along with the Brown Ranch. The terrain is deeply incised by drainages like Pepperwood Creek and Casnoose Creek, while prominent points like Little Baldy and the spine of Asa Bean Ridge provide orientation across the heavily timbered ridgelines.
33 named features on this map. Tap any name to fly to it.
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4 editions found
1920 · Covelo
USGS Topo · 1:62,500
1921 · Hoaglin
USGS Topo · 1:62,500
1922 · Island Mountain
USGS Topo · 1:62,500
1926 · Covelo
USGS Topo · 1:62,500
1931 · Hoaglin
USGS Topo · 1:96,000
1935 · Hoaglin
USGS Topo · 1:125,000
1952 · Spyrock
USGS Topo · 1:62,500
1952 · Covelo
USGS Topo · 1:62,500
1953 · Blackrock Mtn
USGS Topo · 1:62,500
1954 · Blackrock Mtn
USGS Topo · 1:62,500