(KTTS News) – Starting Tuesday, The Gateway Arch National Park in St. Louis will be requiring masks once again.

The masking policy is in accordance with new guidance from the National Park Service.

KY3 reports that all staff and visitors will be required to wear a well-fitting, high-quality mask such as a surgical mask regardless of vaccination status. Cloth masks will not be allowed.

Surgical masks will be available to visitors at the front desk.