Clark Art Institute: "First Sundays Free." Adult admission (normally $20) is free. Galleries open 10 a.m. to 5 p.m. Information: clarkart.edu or 413-458-0425. 225 South St., Williamstown.
Boys & Girls Club of the Berkshires: Public skate. 2 to 3:45 p.m. Children: $4 with membership; $6 without. Adults: $6. Ice skate rental available, $3 per session. 16 Melville St., Pittsfield.
Boy Scout Troop 88: Annual Christmas tree pickup fundraiser. Starting 12:30 p.m. Pick up any tree in North Adams, Clarksburg, or Williamstown. $5. For pickup: email firstname.lastname@example.org or call 413-662-2383, leave your name, address, telephone number and the date of pickup.
Pembury Bridge Club: Lessons for beginners and people returning to bridge or social players, who want to learn modern bridge. 5:30 p.m. Eight-week session. Refreshments. Information and to sign up: Leave name, phone number at 413-655-2416,or email email@example.com. South Congregational Church, 110 South Street, Pittsfield.
Ventfort Hall Mansion: "Adieu Downton!" Tea & Trivia. 4 p.m. Cost: $35 day of event. Information or reservations: 413-637-3206 or firstname.lastname@example.org. 104 Walker St., Lenox.
Drum/Bugle Corps: Pittsfield Red Knights Drum and Bugle Corps practice, 2 to 5 p.m., Victory Temple Church, Dewey Avenue, Pittsfield. Information: Paul Christopher, 413-281-1216 or Betsy Halla, 413-822-5235.
Starving Artist Creperie: Musical Brunch. Live bluegrass, jazz, funk, classical, and other types of music from talented local performers. Breakfast served until 3 p.m. View the artwork from the adjoined Good Purpose Gallery. 11 a.m., Lee.
Berkshire Knapsackers: Kayak up the Housatonic River for about 1.5 hours from the Decker Boat Ramp, then back down. Cancels for rain or if air temperature is 20 degrees or colder. Information: Joe Doboszynski, 413-448-8359 or email@example.com. Lenox.