Ice damage to the Talisman-Barrett Beach Dock at Fire Island National Seashore in New York has prompted the National Park Service to close the dock through the summer season at least.
Interior Secretary Doug Burgum on Thursday ordered that the National Park Service ensure that the National Park System "is properly staffed to support the operating hours and needs of each park unit."
White-nose syndrome, a disease that is fatal to bats and which has been moving across the country in recent years, has been detected in Rocky Mountain National Park in Colorado.
A number of repair projects will require Cleetwood Cove at Crater Lake National Park to be closed for two or more years, meaning there will be no boat tours of the lake during that period.
Reaching Isle Royale National Park in Lake Superior could be hard this summer, as the National Park Service's ferry that normally takes visitors to the park is stuck in dock without an engineering crew.
A lack of staffing at Yosemite National Park, and the decision to open campgrounds, has raised the prospect of existing staff being unable to maintain restrooms as visitors head to the park for some R&R.