California announced Sunday that all state parks would temporarily close to vehicle traffic as state officials look to reduce crowd sizes amid the coronavirus pandemic.

The state's parks department said that indoor facilities such as museums and restaurants operated on public land would also close.

"High public-use indoor facilities––including museums, visitor centers and cafés––have been closed until further notice," the website says. "Public health officials are advising the public to walk, run, hike and bike in their local neighborhoods and walk to parks. Most importantly, the public is being asked not to congregate in the outdoors."

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"Everyone has the responsibility to 'Flatten the COVID-19 Curve at Parks' by maintaining a social distance of 6 feet or more when recreating in the outdoors and staying home if they are sick," the advisory added. "If visitors cannot maintain social distancing, they need to leave the park."

The advisory on Department of Parks and Recreation's website clarified that many areas accessible to foot traffic remained open, including beaches. Governors around the country have faced questions over whether public beaches should close as spring tourists flock to areas in California and other states such as Florida for vacation.

"With the exception of closed parks, non-campground outdoor areas of parks, including trails and beaches, remain open. Day-use restrooms also remain open, and visitors are advise to bring soap for handwashing and to use alcohol-based sanitizers when water is not available," the advisory reads.

Some national parks have seen a rush of visitors in recent weeks that some have compared to the summer vacation season as visitors take advantage of recent decisions by national parks to drop entry fees.

Health officials around the country continue to advise against such large gatherings due to the fear of spreading coronavirus, which has sickened more than 135,000 in the U.S. alone.