2022 Map of Duncan Peak

About this map

Robinsons Flat and American Hill sit at the center of this high-elevation terrain within the Tahoe National Forest, where the complex drainage systems of the North Fork American River have carved deep canyons like New York Canyon and Antoine Canyon. The landscape is defined by the Forest Hill Divide, a prominent ridge separating major watersheds and serving as a corridor for historical transport. A network of historic water infrastructure, including the China Wall Iowa Hill Ditch and Trap Line Ditch, indicates the significant hydrological engineering required for local industry. Numerous trail systems, such as the Mumford Bar Trl and Western States Trl, connect remote flats and springs like Dawson Spring, tracing the paths of early travelers and miners through the Sawtooth Ridge and Macedon Ridge.