WOODS WALK: Montpelier, the home of President James and Dolley Madison near Orange, Va., hosts a guided tour of the estate's 200-acre old-growth forest at 2 p.m. today. Cost is $5, space is limited and reservations are required. Call 540-672-0003.

BERRY NICE: Wanderbirds Hiking Club has a berry hike scheduled next Sunday in George Washington National Forest, where wineberries and blackberries should be ripe for the plucking. Hikers can choose an 11- or 9-mile route. Fee of $14 includes transportation. Call 301-990-1988 or 703-553-9820.

BIG BLUE: Robert Gollohan of King George, Va., won the 15th annual World Cup Blue Marlin Tournament over the July 4 weekend with a 763-pound blue marlin he boated in 38 minutes aboard his 50-footer, Southern Exposure. He was fishing about 40 miles east of Cape Hatteras Lighthouse in the Gulf Stream off North Carolina. Gollohan's marlin took a 10-pound trolled tuna bait; he won $113,000.

WHITEWATER: Canoe Cruisers Association has a four-day beginner whitewater canoeing class scheduled this week, with lessons on Wednesday, Saturday and Sunday and a final class July 24. Call Bob Kimmel, 703-281-1428.

STEAMBOAT: Chesapeake Bay Maritime Museum has a dinner-dance cruise on the Choptank River scheduled next Sunday aboard the paddlewheeler Dorothy Megan. The boat leaves Cambridge at 6 p.m. and returns at 10; cost of $65 ($55 for CBMM members) includes dinner and dancing to a big band. Call 410-745-2916.

RHYME CLIMB: Sierra Club has combination poetry hikes scheduled today and next Sunday. It's too late to get in this week, but next week's trek is 11 1/2 miles on the Appalachian Trail; bring poems to read aloud along the way. Call David Cheng, 301-990-3689.

HOOKED: Maryland's Department of Natural Resources runs free "Hooked on Fishing, Not Drugs" clinics from Monday-Thursday this week, then again July 19-22 and July 26-29 at four sites around the state. Youngsters ages 7-10 go from 8 to 11 a.m. and kids 11-13 go from noon to 3 p.m. The sessions are at Greenbrier State Park in Washington County, Harford Glen Environmental Center in Harford County, Howard's Pond in Cecil County and Patapsco Valley State Park in Howard/Baltimore. Call toll free 1-877-620-8367, ext. 8809.

FLOAT: Potomac River Smallmouth Club has a float trip scheduled Thursday on the main stem of the Shenandoah River from Route 50 to Seven Locks. Leader is Jack Cook, 703-491-6909.

POT LUCK: Friends of Great Falls Tavern and the C&O Canal Association have their annual meeting and pot-luck supper at 5:30 tonight at Great Falls Tavern in C&O Canal National Park, Great Falls, Md. Call 301-299-3613.

JUNIOR OLYMPIANS: More than 275 youngsters ages 10-18 conclude the Junior Olympic Sailing Festival-Chesapeake today at Severn Sailing Association in Annapolis. Racing is in Laser, Laser Radial, 420, Byte and Optimist dinghy classes. Call 410-263-0017.