Hetch Hetchy Road in Yosemite National Park is closed indefinitely after park officials discovered erosion underneath the road, park spokeswoman Kari Cobb said.
The road is still intact, but water undercutting the hillside below the pavement has made it “extremely unstable,” Cobb said.
The National Park Service temporarily closed the road in December due to snow and discovered erosion on Dec. 26, she said.
The road remained closed from the Hetch Hetchy entrance station at Camp Mather to the reservoir — about a five-mile stretch.
“It’s probably not going to reopen until early to mid-March,” Cobb said. “That’s our best estimate.” She said Hetch Hetchy Road is the only road that leads to the reservoir, but that the reservoir is the least-visited area in the park.
During the winter, between five and eight cars travel along the road each day, she estimated
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