- River & Trail outfitters is a complete four-season, full-service outfitter with year-round outdoor activities, including rafting, canoeing, kayaking, sea kayaking, hiking, tubing, and cross-country skiing. We offer lessons, rentals, sales and transportation in an area rich in history and wildlife only an hour's drive from the Washington D.C. or Baltimore beltways. Appalachian Trail ...www.rivertrail.com