The Gibraltar Reservoir, formed by the damming of the Santa Ynez River, serves as a central hydrological feature within the Los Padres National Forest. This high-elevation terrain is defined by its complex drainage systems, including Indian Cr and Buckhorn Cr, which feed into the primary river valley. A significant engineering landmark, the Santa Barbara Water Tunnel and its North Portal, illustrate the critical infrastructure designed to transport water through the Santa Ynez Mountains.
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1902 · Santa Ynez
USGS Topo · 1:125,000
1905 · Santa Ynez
USGS Topo · 1:125,000
1941 · San Rafael Mtn.
USGS Topo · 1:62,500
1942 · Goleta
USGS Topo · 1:62,500
1942 · San Rafael Mtn.
USGS Topo · 1:62,500
1942 · Little Pine Mountain
USGS Topo · 1:24,000
1943 · Big Pine Mountain
USGS Topo · 1:31,680
1943 · San Rafael Mtn.
USGS Topo · 1:62,500
1943 · Hildreth Peak
USGS Topo · 1:24,000
1944 · Santa Barbara
USGS Topo · 1:31,680