The National Park Service says all areas that had previously been closed, including the Tuolumne Grove of Giant Sequoias, and hiking trails around the Hetch Hetchy reservoir, are again open to the public.
The reopening comes with cautions. Visitors are urged to be aware of risks, which include hazardous trees and potential rock falls.
Fire restrictions that had been imposed last summer and fall have been lifted. But the continuing drought could cause those restrictions to be restored later in the year.
The Rim Fire started in mid-August. It burned about 77,000 acres within Yosemite, and total of 255,000 acres.
A collection of environmental, fishing and whitewater groups recommends changes to dam management in a new report, issued in response to the failure of the main spillway at Lake Oroville in February.
Traditional methods to cool cows use 11,000 gallons of water per cow per year. UC Davis researchers are trying out new techniques that use less resources.
Caltrans is worried about the possibility of dead trees falling onto some California highways. The agency has already removed 107,000 trees. Now the agency is getting ready to remove another 54,000 trees, including some on private land.
A federal water bill that supporters say will streamline dam and water storage projects in California faces an uphill battle in the Senate. One of the largest water suppliers in the state says it's unlikely to support it.
Summertime is a favorite for tourists at Lake Tahoe, but the region's transportation system is not designed for the growing number of people who use it. The TRPA and TERC are coming up with a plan to fix the gridlock and improve the lake's clarity.