The mandate pertains to both vaccinated and unvaccinated visitors.

Any time you are within six feet of someone else, outdoors, in national Parks, you are now mandated to wear a random bit of cloth facial covering.

Source: National Park Service updates mask requirements to include people visiting crowded outdoor locations as well as indoors – masslive.com

Based on the actions now being taken, the interpretation is public health measures have failed and vaccines are insufficient to gain control over Covid-19. Once again, the messaging is very confused.

By EdwardM