Have you ever wondered about the ruins along the Pend Oreille Bay Trail? This is your chance, during low water, to learn about the Humbird Lumber Mill, the Panhandle Smelting and Refining Company, and everything in between! Join environmental historian Steve Gill on this 4-mile morning hike along the Pend Oreille Bay Trail, all the way out to Black Rock and back to City Beach. This tour will happen rain or shine. Be prepared for any conditions- it will be an adventure! Tickets are limited to 30 people.