September 19, 1805

 Clark and the six hunters continue scouting ahead of the main party searching for food. Lewis's party continues to struggle along the rugged terrain: " the road was excessively dangerous along this creek being a narrow rockey path generally on the side of steep precipice."  Lewis

 Clark’s group camped at Cedar Creek, near present Lewis and Clark Grove, Idaho

Captain Lewis’ group camped at Hungrey Creek in Idaho

September 20, 1805

 Clark’s group descends the Rocky Mountains into an open prairie where they encounter the Nez Perce Nation: " a man came out to meet me with great caution & conducted us to a large spacious lodge… those people gave us a small piece of buffalow meat, some dried Salmon berries & roots and some bread made of this root all of which we eate harilty." Clark

Clark camped at a village of Nez Perce Indians on Weippe Prairie, near the town of Weippe, Idaho.

 Lewis dispatches men to track a lost horse: " the load of the horse was of considerable value consisting of merchandize and all my stock of winter cloathing."  Lewis

 Lewis’s group camped between Dollar and Sixbit creeks in Idaho

September 21, 1805

Clark becomes ill due to indifference to foods and overeating the previous evening: " I am verry Sick to day and puke which relive me."

 Lewis and party continue to struggle : " we passed a broken country heavily timbered great quantities of which had fallen and so obstructed our road that it was almost impracticable to proceed in many places."

 Clark camped on the Clearwater River about a mile from Orofino, Idaho

Lewis camped on Lolo Creek in Idaho