Shenandoah National Park/Skyline Drive -- 540-999-3500.
U.S. Department of Agriculture -- 800-354-4595.
(Illustration by Christiane Beauregard - For The Washington Post)
Or check out the Weather Channel Interactive's updated map of the region's fall foliage at www.weather.com/maps/activity/fallfoliage/eastcentralusfallfoliage_large.html.
Kenilworth Park and Aquatic Gardens -- Oct. 16 from 9:30 to noon. Meet at Bladensburg Waterfront Park, 4601 Annapolis Rd., Bladensburg. $12 a canoe. For reservations, call 301-779-0371.
Fall Colors of the Potomac -- Oct. 17, 23 and 24 from 8:45 to 12:45. Starts at Pennyfield Lock, Pennyfield Lock Road, Potomac. Arranged through Potomac Paddlesports, 7902 Comus Rd., Dickerson. $98 includes equipment. 877-529-2542.
Bladensburg Waterfront Park Rentals -- Open Saturdays and Sundays from 10 to 6, through October. 4601 Annapolis Rd., Bladensburg. Canoes and kayaks $6 an hour, $15 a day; rowboats $7 an hour, $20 a day. 301-779-0371.
Fletcher's Boat House -- 4940 Canal Rd. NW. Open daily from 9 to 6, through October. Canoes and rowboats for use in the Potomac River or C&O Canal; bicycles for rent, too. Canoes $11 an hour, $21 a day; rowboats $11 an hour, $20 a day; bikes $8 for two hours, $12 a day. 202-244-0461.
Autumn Appalachian Trail Mountain Hike -- Oct. 16 from 8 to 6:30. Six-mile trek along the trail at Caledonia State Park in Pennsylvania. Meet at Black Hill Visitors Center, 20926 Lake Ridge Dr., Boyds. $25 includes van transportation to Caledonia from Black Hill. 301-916-0220.
Autumn Color Along Old River Road -- Oct. 29 from 10 to 3. Flat walk on an old Indian footpath that later became the original River Road. Meet at Black Hill Visitors Center, 20926 Lake Ridge Dr., Boyds. $8 includes van transportation to River Road from Black Hill. 301-916-0220.
"Celebration of Fall" Family Hike -- Oct. 16 from 11 to noon. All-ages hike. Locust Grove Nature Center, 7777 Democracy Blvd., Bethesda. $4 per family. 301-299-1990.
Shenandoah Fall Foliage Bike Festival -- Oct. 15-17. Routes from 10 to 100 miles, with meals, activities and goodies. Adults $90, ages 13 to 17 $70, ages 12 and younger $50; fee includes Saturday lunch, Sunday brunch, snacks, maps, a T-shirt and more. Meet at Shelburne Middle and Ware Elementary schools on Grubert Avenue in Staunton, Va. 540-885-2668 or www.shenandoahbike.org.
National Park Service -- Visit www.nps.gov for information about biking the C&O Canal, Rock Creek Park and other area parks managed by the National Park Service.
-- Christina Talcott