2024 Map of Grimes Pass

About this map

Grimes Pass serves as a critical geographic transition in this high-elevation corner of the Boise National Forest. The landscape is defined by an intricate drainage system where the South Fork Payette River meets numerous tributary creeks and gulches. The presence of the Abelia Mine and family-named landmarks like Gallagher Peak and Jackson Peak point to a history of resource extraction and early ranching. The road network is a mix of the modern Banks-Lowman Hwy and specialized routes such as TV Repeater Road and the Grimes Creek-Summit Flat road. Aviation history is noted by the Black Bear Ranch Airport, tucked along the riverbanks. This map captures the intersection of wilderness management and the enduring infrastructure of Idaho's mountain interior.