COUNTY

A tour of Preston Park in Butler Township is scheduled at 1 p.m. Saturday. The tour will last about two hours and involve much walking. Attendees should dress appropriately. To participate, call 724-283-3430, Ext. 212, e-mail mlove@butlertwp.org or visit butlertwp.org/preston-park.

Jennings Environmental Education Center, Route 528, Brady Township, hosts “Intro to Backpacking for Women” from 9 a.m. Oct. 22 overnight to 1 p.m. Oct. 23. Registration, due by Tuesday, is $50 and is limited. Call 724-794-6011.

REGION

A star party sponsored by the Amateur Astronomers Association of Pittsburgh is to begin at 6:50 p.m. Saturday at the Nicholas E. Wagman Observatory in Deer Lakes Regional Park near Russellton. Call 724-224-2510.