One of your first stops should be Hells Canyon Visitor Bureau. Here, you'll be able to find your bearings and get some great tips before you begin exploring.
You'll soon see why this Clarkston tourist information center is visited by many travelers. If you're looking for more to do and see here, Lewis-Clark State College Center for Arts and History, Hell's Gate State Park, and Basalt Cellars Winery are in this area as well. They won't take you long to reach from Hells Canyon Visitor Bureau.