Starwatch: International Observe the Moon Night
Telescopes set up at the Tohickon Boat Launch for International Observe the Moon Night, with volunteers walking you through the sky. Free and no sign-up, just show up after dark.
More at Nockamixon State Park
Friends of Nockamixon Monthly Meeting
The volunteer group behind the park's programs meets at the Environmental Education Center, six thirty to eight. Free, no registration, and open to anyone curious about pitching in at the lake.
Girl Scouts Love Birding at Nockamixon State Park
Ninety minutes of beginner birding out of the Environmental Education Center at the lake, aimed at scouts and their families. Free, though a ranger needs your registration ahead of time.
Birding with the Bucks County Birders
Two morning hours on the trails with the Bucks County Birders during fall migration, starting from Parking Lot 1. Free, no registration, bring binoculars if you have them.
Around the same time
Stephanie's Sewn Goods Pop-Up at SHIFT
Handmade sewn goods take over a corner of the Haverford Avenue refill shop for three weeks. Browse during regular hours, Tuesday through Sunday.
Rice's Market
Four hundred vendors across thirty acres of indoor and outdoor stalls: antiques, produce, tools, clothing, food. Gates open at seven and the lot fills early. Bring cash.
Executive Scramble at The Willows Golf Lounge
Eight to nine thirty on the simulators, then out into the day. The Willows runs this weekly for people who want to meet neighbors without a name tag.