Snowmelt pouring out of the high country of Yosemite National Park has led to a flood warning for the Yosemite Valley as the Merced River is expected to reach flood stage. As a result, the Lower, North Pines, and Housekeeping Camp campgrounds are closed.

Road construction will begin in late May at Chickasaw National Recreation Area in Oklahoma. Multiple areas will be worked on throughout the summer, starting with the Cedar Blue entrance area.

Rock climbing routes on the east and northeast faces of Devils Tower at Devils Tower National Monument in Wyoming will be temporarily closed, effective immediately, to protect nesting Peregrine and Prairie Falcons. The closure is implemented annually to provide the falcons with an undisturbed nesting location during this critical courtship and nest-selection period.

A tiny shorebird that helps us monitor coastal ecosystems has a sandy toehold at Point Reyes National Seashore.