The Canal Experience at Providence Metropark opened for the season May 2.Hours are Tuesday through Friday with departures aboard the Volunteer canal boat at 10 and 11 a.m., noon and 1 p.m.Saturdays, the boat departs at 12:30, 2 and 3:30 p.m. Mothers ride free on Mother’s Day, Sunday, May 12.Free tours of the Isaac Ludwig Mill are available Tuesday through Friday, 10 a.m. to 2 p.m. and Saturday,…