More than 750 U.S. national park employees — including in Colorado — have been fired amid the Trump administration's purge of federal workers, per an unofficial tally shared with Axios by a park ranger.

Hundreds of protesters gathered in Rocky Mountain National Park on Saturday to oppose the recent firings of approximately 1,000 National Park Service employees nationwide.

More than 150 gatherings took place Saturday at National Park Service sites nationwide. They were organized by a group of off-duty or former park service staff and seasonal employees.

That season begins May 1 and runs through October 31. Permits are sold online only — first come, first served — through recreation.gov. The cost of reservations is $36. A general guide to wilderness camping can be found on the Rocky Mountain National Park website.

The mayor of the Northern Colorado town of Estes Park said he fears there could be economic impacts to his community if the Trump administration moves forward with layoffs to the National Park Service.

Hundreds of protesters gathered in Rocky Mountain National Park on Saturday to oppose the recent firings of approximately 1,000 National Park Service and over 3,000 U.S. Forest Service employees nationwide.