Thursday: Hike 4 miles of the Patapsco River Walk with the D.C. Chapter of the Appalachian Mountain Club starting at 10:30 a.m. Details: amc-dc.org (click: "Chapter Activities") or call 410-263-1844.
Jan. 8 to March 26: The Baltimore Metro Horseshoe Club will host an adult Baggo league on Thursdays from 6 p.m. to 9 p.m. at Deep Creek Middle School at 1000 Marlyn Avenue in Essex. Information: Call 410-686-5174.
Jan. 29-Feb. 1: The Baltimore Boat Show will be at the Baltimore Convention Center from 11 a.m. to 9 p.m. Jan. 29-30, 10 a.m. to 9 p.m. Jan. 31 and 10 a.m. to 5p.m. Feb.1. Children 15 and younger are free with a paid adult. Information: baltimoreboatshow.com or call Mary Steen at 617-472-1442.
Fisherman's flea market
Feb. 28: The 28th Annual Fisherman's Flea Market sponsored by Central Maryland Bassmasters will be 8 a.m. to 1p.m. at Gamber Fire Hall at 3838 Niner Road in Finksburg. Admission is $3. Tables cost $25 each ($30 after Feb. 1). Boat spaces cost $5. For information and reservations, call Jason Parker at 410-442-2323.
Email listings to firstname.lastname@example.org. Place "Recreation & Outdoors" in the subject field.