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1963 Map of Casto

Name: 1963 Topographic Map of Casto
Creator: U.S. Geological Survey
Published: 1982
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1982

About this map

Loon Creek winds through the heart of the Challis National Forest, serving as the primary drainage for a landscape defined by deep canyons and high ridges. The settlement of Casto and the nearby Boyle Ranch mark infrequent points of human habitation in this isolated part of Custer County, Idaho. The presence of the Boyle Landing Strip and the Loon Creek Guard Sta reflects the era's reliance on aerial access and administrative oversight for wilderness management.

Transport and recreation are centered along the waterways, with the Transfer Campground and Tincup Campground situated near the junction of Tincup Creek and White Creek. To the south, numerous tributaries including Mayfield Creek, Nelson Creek, and Mystery Creek feed into the larger system, while established routes like the Pioneer Creek trail and various jeep trails suggest the movement of surveyors and early outdoor enthusiasts through the backcountry.