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1985 Map of Diamond Lake

Name: 1985 Topographic Map of Diamond Lake
Creator: U.S. Geological Survey
Published: 1985
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1985

About this map

Diamond Lake sits at the center of this 1985 topographic study, showing a landscape defined by recreational development and high-elevation terrain within the Umpqua National Forest. The eastern shore is particularly active, featuring the Diamond Lake settlement, multiple boat ramps, and facilities such as the Thielsen View Campground and nearby Sewage Disposal Ponds. This era of the lake's history reflects a well-established leisure infrastructure, with a Trailer Park, South Shore Picnic Ground, and Broken Arrow Campground serving seasonal visitors.

To the west, the topography rises sharply toward the peak of Mt Bailey, while the northern reaches are carved by the Clearwater River and Clearwater Falls. Several smaller water bodies, including Teal Lake and Horse Lake, are tucked into the southern timberline near Hemlock Butte. The map also captures several benchmarks and specific local landmarks like the Gaging Station and Corrals, providing a detailed look at the land management and utility footprint of the mid-1980s.