River Highway – Part 4 // Journey down the Columbia/Snake River

The last leg of the Armchair Engineer’s trip down the Columbia-Snake River System. On the final day of the trip, he enters the lower river near Portland/Vancouver and begins delivering cargo at a port on the Willamette River, the Port of Kalama, the Port of Rainier, and finally the Port of Longview. Part 4 of 4 – Cascade Locks, OR to Longview, WA.