Tours

Blackstone Valley Explorer. Narrated 45-minute Blackstone River tours aboard the 40-passenger riverboat Blackstone Valley Explorer take place on Sunday afternoon. Topics covered on this pretty ride include area ecology and industrial history. Central Falls Landing, 45 Madeira Ave., Central Falls, Rhode Island, 02863. 800/454–2882; 401/724–2200; www.rivertourblackstone.com. From $10.