Camp Chopunnish was the first major camp on the Lewis and Clark Expedition's return voyage. It is located in Idaho County, Idaho, along the north bank of the Clearwater River, it is now part of the Nez Perce National Historical Park. It was named after Lewis' name for the Nez Perces tribe native there. In the expedition journals it was also called Long Camp (because of the duration of the stay) and Camp Kamiah (for its location).