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Mountain bikes, road bikes, and e-bikes (class 1 and 3) are permitted on established public roads, parking areas, and designated routes (see below) in Yellowstone National Park. Bicyclists may use established public roads when open to motor vehicles during the summer season. Additionally, bikes are authorized on certain established roads when closed to public motor vehicles during the spring and fall seasons (more information below). All bikes are prohibited on backcountry trails, boardwalks, and oversnow routes in the park.
Every spring and fall, bicyclists willing to brave the unpredictable weather may also be permitted on park roads while they're closed to motorized, public vehicles. Roads will not be completely free of cars during these times, however: bicyclists may still encounter park employees, contractors, and plows. Also be aware that high snowbanks may negate road shoulders and make travel more dangerous.
Spring bicycling season usually starts by early April, although there is no set date. Designated roads are only opened once snow removal and other pre-season business can accommodate cyclists. Please note that roads may not be plowed on weekends and snowfall can be heavy at times. The following road segments may open to bicycling each spring:
Fall bicycling season begins after park roads close to public vehicle traffic, typically in November. Designated roads are only opened to cyclists once post-season business can accommodate them and close to cyclists when plowing operations stop (in order to allow snow to accumulate on roads for oversnow travel). The following road segments may be opened to bicycling each fall:
Designated Bike Trails
Last updated: May 9, 2023