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1928 Map of Topanga Canyon

Name: 1928 Topographic Map of Topanga Canyon
Creator: U.S. Geological Survey
Published: 1928
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1928

About this map

The Santa Monica Mountains meet the Pacific in this 1920s survey, revealing the early coastal development of Los Angeles before the era of modern sprawl. The Coast Highway traces the shoreline, connecting established enclaves like Castellammare and Inceville to the growing community of Pacific Palisades. The landscape is a mix of rugged canyons and private holdings, with the Trippet Ranch, Claude Parker Ranch, and Uplitters Ranch occupying the high ground above the surf.

Social and recreational footprints are evident in the numerous camps, including Assembly Camp, Institute Camp, and the Pacific Palisades Auto Camp. To the east, the street grid of Santa Monica begins to take shape along San Vicente Boulevard, contrasting with the more primitive tracks leading to Topanga and Wildwood. Natural coastal landmarks like Castle Rock and the Natural Arch provide fixed points along the shifting Palisades Beach.