2004-7-30 2004-3-4 The Lewis and Clark Corp of Discovery cross the continental divide at Lemhi Pass near Tendoy Idaho. The Lewis and Clark Back Country Byway is a 39 mile gravel road loop that covers the area where they spent the first few days on the Pacific side of the continent. 74283 text/html 1.0 EN Lewis and Clark Corp of Discovery Sacajawea Scenic drives Lewis and Clark Back Country Byway, Idaho text