Join naturalist and Damariscotta River Association Education Director Sarah Gladu for three gentle hikes to see migratory birds and other changes in nature that fall brings.

In honor of “Active Aging Week” and in partnership with Spectrum Generations but open to people of any age. Free.

Sept. 22, Great Salt Bay Farm (110 Belvedere Road), 10 to 11 a.m.

Sept. 24, Salt Bay Preserve (park: Lincoln County Publishing, Route 215), 10 to 11 a.m.

Sept. 26, Dodge Point Preserve (River Road, Newcastle), 10 to 11 a.m.

For more information, call 207-563-1393 or visit www.damariscottariver.org.