This pass is only valid for entrance fees at Theodore Roosevelt National Park. All visitors at Theodore Roosevelt National Park are required to pay an entrance fee. Please be prepared to show your hard copy pass or digital pass on your mobile device at the entrance station. If the entrance station is closed, your pass can be validated at the visitor center. Between October and March, the scenic drives may close without notice due to snow and ice. The portion of road in the south unit from the south boundary to the north boundary normally remains open year-round. Passes are non-transferable, non-refundable, not replaceable if lost or stolen, and are void if altered or reproduced.