St. Anthony Lock and Dam tours during Stone Arch Festival

Visit the National Park Service at the Stone Arch Bridge Festival, Saturday, June 16, 9:30 am-5 pm, and Sunday, June 17, 9:30 am-5 pm, at the Upper St. Anthony Lock and Dam, 1 Portland Ave., where rangers will provide free tours of the lock walls.

Participants can learn about the history of the place, the purpose of locks and dams, and river navigation, and get a great view of the falls from the observation deck. The Lock and Dam is open daily, 9:30 am-5 pm. Admission and tours are free. Info: http://parkconnection.org/event/stone-arch-festival-2018/.