Bicycling is allowed on any road within Big Bend National Park, but is not allowed off-road or on any trail. Safety. Bicyclists must share the roads with vehicles and obey all traffic laws. Paved roads within the park are narrow and often have no shoulders. Bicyclists should take proper measures to stay safe, such as riding single-file, wearing bright and/or reflective clothing, and being away of their surroundings. Bicycling - Big Bend National Park (U.S. National Park Service) Many of the rides in Big Bend National Park are easier with a shuttle. Traffic is sparse in summer and highest during March and early April and on holiday weekends throughout the year. Use extreme caution. A good map is essential. Maps and road guides are available at the Big Bend Natural History Association Book Store.
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