While the national park is open, campgrounds are not staffed and visitor centers are closed.
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RELATED: Restrooms, trash removal at Yosemite hit by government shutdown
National Park Services ask visitors who have not already made reservations to consider a one-day trip to the park.
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On Friday, portable restrooms were installed to assist with the issue and people entering closed areas of the park are being cited.
Lodging, dining, retail stores and the Yosemite Ski and Snowboard areas will remain open.
RELATED: House Republicans say no votes expected for rest of week, government shutdown will likely continue