A federal court ruling is changing where and when off-highway vehicles can operate in portions of the Oregon Dunes National Recreation Area, placing new restrictions on one of the Oregon Coast’s best-known recreational destinations while a larger environmental lawsuit continues through federal court.
The order issued Monday, August 10, temporarily closes two areas of the federally managed dunes to OHV traffic and establishes nighttime riding restrictions in another area. The ruling comes immediately before the Winchester Bay UTV Takeover, a six-day recreational event scheduled to begin Tuesday, August 11.
For Oregonians planning trips to the dunes, the most important point is that the Oregon Dunes National Recreation Area has not been closed. The federal ruling applies to specific locations and activities rather than shutting down the entire recreation area.
U.S. District Judge Ann Aiken ordered the U.S. Forest Service to temporarily close Banshee Hill and a vegetated area along the southwestern edge of the Umpqua Dunes to OHV use. The Forest Service must rope off the restricted locations, install signs and monitor the areas. Trail cameras are also required at the two locations through August 17.
The court additionally imposed a nighttime OHV restriction in the North Riding Area from 10:30 p.m. until 6 a.m.
The restrictions do not cancel the Winchester Bay UTV Takeover. The event is expected to continue using Douglas County property adjacent to the federally managed dunes, illustrating the patchwork of federal, county and private land that makes up the broader recreation area used by visitors.
The ruling stems from a federal lawsuit filed in 2024 by the Center for Biological Diversity against the U.S. Forest Service. The litigation challenges the agency’s management of OHV activity and permits for large commercial riding events in habitat used by the coastal marten, a federally threatened species.
The coastal marten was listed as threatened under the federal Endangered Species Act in 2020. Four years later, the U.S. Fish and Wildlife Service designated approximately 1.2 million acres in Oregon and Northern California as critical habitat for the species, including portions of the Oregon Dunes.
Federal wildlife officials have documented a substantial decline in the animal’s historic range, with remaining populations isolated along portions of the Oregon and Northern California coasts. The designation of critical habitat creates additional responsibilities for federal agencies when their actions could affect the species or the habitat considered necessary for its recovery.
At the center of the Oregon case is whether the Forest Service fulfilled those federal obligations while continuing to manage OHV routes and authorize recreational activities within marten habitat.
The federal court determined that the environmental organization demonstrated sufficient likelihood of succeeding on portions of its case, along with the potential for irreparable environmental harm, to justify temporary restrictions while the litigation continues.
The court did not grant everything requested. The environmental organization sought closures involving seven habitat areas, while the judge ordered temporary closures at two locations.
The dispute reaches well beyond wildlife management because the Oregon Dunes are also an established recreation destination with economic importance to coastal communities.
Stretching approximately 40 miles along the Oregon Coast, the Oregon Dunes National Recreation Area attracts campers, OHV riders, hikers and visitors from Oregon and across the country. Communities including Winchester Bay, Reedsport, North Bend and Coos Bay have businesses and tourism activity connected to recreation throughout the region.
Large OHV gatherings bring visitors who purchase fuel, reserve campsites and lodging, eat at restaurants and patronize stores and recreational businesses. The economic effect of future restrictions remains uncertain, and no reliable statewide estimate has established how much Monday’s ruling will ultimately cost or benefit surrounding communities.
The immediate restrictions are nevertheless part of a larger question facing federal land managers: how recreational access can continue while complying with protections required for threatened wildlife.
The case is being decided in the U.S. District Court for the District of Oregon rather than Oregon’s state court system. Douglas and Coos counties have intervened in the litigation along with Save the Riders Dunes Inc., reflecting the local-government and recreational interests involved in the outcome.
For people heading to the dunes, posted federal closures and nighttime restrictions should now be considered part of trip planning. Areas outside the court-ordered restrictions remain subject to existing Forest Service rules and other applicable land-management requirements.
The August ruling is not the final resolution of the lawsuit. The court has called for additional proceedings concerning longer-term protections, while the Forest Service continues the federal consultation process involving coastal marten habitat.
What happens next could determine considerably more than access to two sections of sand near Winchester Bay. The continuing case could help shape how organized OHV events, recreational riding and threatened-species protections coexist across one of Oregon’s most heavily used coastal recreation areas.

