The Friends of the Roxbury Senior Center and the Roxbury Historic District Commission will host the first walking tour of the town's historic district and its gardens July 25 from 10 a.m. to 3 p.m., with a rain date of July 26.

Small group tours will begin at the senior center, formerly town hall, on South Street at 7 p.m. Hodge Memorial Library and Roxbury Museum will also be open.

Tickets the day of the event are $30, with proceeds to benefit the senior centers programs.

For more information, call Margot Judge at (860) 354-6083.