Christmas Valley Sand Dunes

The Christmas Valley Sand Dunes are a natural sand dune complex covering 11000 acre of public lands east of Christmas Valley in Lake County, Oregon, United States, about 100 mi southeast of Bend. The area is accessible via the Christmas Valley National Back Country Byway. The dunes are up to 60 ft high. It is the largest inland shifting sand dune system in the Pacific Northwest. The dunes are composed mostly of ash and pumice from the eruption of Mount Mazama that formed Crater Lake 7,000 years ago. Approximately 8900 acre of dunes are open to vehicles.

Administration
The Christmas Valley Sand Dunes area is administered by Bureau of Land Management. The Bureau of Land Management also oversees the Lost Forest Research Natural Area, east of the dunes as well as the land around nearby Fossil Lake to the west In 1983, the Bureau of Land Management joined the Christmas Valley Sand Dunes, Lost Forest Research Natural Area, and Fossil Lake into a single Area of Critical Environmental Concern. There are vehicle restrictions in much of the consolidated Area of Critical Environmental Concern. However, approximately 8900 acre of dune area remains open to vehicle use. Off-road vehicles are allowed only on specific routes and in designated areas. Camping is restricted to designated sites within the Area of Critical Environmental Concern. All of the camp sites are primitive with no water or restrooms. The nearest public facilities are located in the unincorporated community of Christmas Valley, approximately 16 mi away.

Recreation
The dunes are available for off-road and ATV recreational use in designated areas. All Oregon state laws and regulations pertaining to off-highway vehicles apply. Vehicle operators must have a valid driver's license, state-issued all-terrain vehicle operator's permit, or be accompanied by someone 18 or older with a valid driver's license. In addition, all off-road vehicles must have a red or orange flag on an extended antenna while driving on the dunes. State alcohol and drugs laws also apply to all vehicle operator and passengers. A $10 Oregon ATV operator permit may be required. A valid driver's license in addition to an Oregon DOT helmet for persons under 18 years of age.

The Bureau of Land Management Road 6121 has been improved with gravel allowing access to the dunes during most of the winter and spring months.