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1957 Map of Prospect Peak

Name: 1957 Topographic Map of Prospect Peak
Creator: U.S. Geological Survey
Published: 1961
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1961

About this map

Lava flows and volcanic topography dominate this portion of the Shasta and Lassen County border, where the high-altitude landscape of Lassen Volcanic National Park meets the Lassen National Forest. The map documents a rugged volcanic wilderness characterized by the Fantastic Lava Beds, the Painted Dunes, and distinctive peaks like Prospect Peak and Cinder Cone. Settlement is sparse, focused around the Old Station (PO) and various campgrounds such as Bridge Campground and Cave Campground along Hat Creek.

A network of specialized features reveals the area's geological and scientific importance, including the Blacks Mtn Experimental Sta and notable subterranean formations like Subway Cave, Ice Cave, and a Lava Tube. Water sources are critical in this porous terrain, with numerous small lakes such as Snag Lake, Butte Lake, and the clustered Lakes including Silver Lake and Feather Lake. The historic Emigrant Trail traverses the southern sector, passing through Emigrant Pass and near the Devastated Area, providing a link to the region's pioneer-era transit history.