Heavy rains that pounded Carlsbad Caverns National Park last week, at one point stranding roughly 200 people in the park, washed away sections of trails in the park, prompting the National Park Service to close the park's wilderness areas and backcountry trails to assess and repair the damage.

A $35 million appropriation is being made to Golden Gate National Recreation Area in California for work to repair and seismically strengthen the concrete wharf at Alcatraz Island. The funds, from the Great American Outdoors Act, are intended to pay for work to provide safe access to the island for visitors, concessionaires, and National Park Service staff.

Yellowstone National Park officials are not commenting on the investigation into a foot found floating in Abyss Pool, a spectacular hot spring on the shore of Yellowstone Lake.

The search for a hiker missing since a flash flood swept through the Narrows area of Zion National Park expanded Monday to an area south of the park along the Virgin River, with National Park Service staff assisting local law enforcement agencies.