
Caldwell Mesa and the surrounding peaks of the Los Padres National Forest anchor this high-elevation landscape in San Luis Obispo County. The terrain is defined by a series of prominent summits, including Garcia Mtn, Caldwell Mtn, and Bald Mtn, which overlook deep drainage networks such as Joaquin Canyon and Ranger Canyon. Water flows through this arid region via the Salinas River at the northern edge and the Huasna River to the south. This environment is crossed by a network of specialized access routes, including the Caldwell (Trout Creek) Trl and Stony Creek Trl, alongside forest roads like Hi Mountain Rd. The map illustrates a transitional zone where the La Panza Range meets rugged interior canyons, providing a detailed look at the hydrology of Arroyo Seco and Salt Cr.
38 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1922 · Pozo
USGS Topo · 1:62,500
1922 · Nipomo
USGS Topo · 1:62,500
1932 · La Panza
USGS Topo · 1:48,000
1935 · La Panza
USGS Topo · 1:62,500
1936 · La Panza
USGS Topo · 1:62,500
1937 · Branch Mtn
USGS Topo · 1:48,000
1942 · Branch Mountain
USGS Topo · 1:62,500
1947 · San Luis Obispo
USGS Topo · 1:250,000
1948 · San Luis Obispo
USGS Topo · 1:250,000
1952 · La Panza
USGS Topo · 1:62,500