Ishi Hiking Map
This Northern Cal map issued by the USDA National Forest includes 3 separate wilderness areas –
Ishi @ Cohassett / Chico Hikes / Lassen Maps
Caribou Wilderness, Ishi Wilderness & Thousand Lakes Wilderness
Caribou Wilderness, Ishi Wilderness, Thousand Lakes Wilderness are all featured on this topo map. Perfect for a day hike reference or extended backpacking adventures. Map Scale = 1″ to mile; Printed on waterproof plastic paper in 1997.
Luckily, there are choices:
Wilderness Press makes a Lassen Map which covers the Ishi Wilderness