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 study published June 16 by UC Davis and other researchers shows that wild bee diversity is declining. The researchers said steps must be taken to conserve them -- and not just those that are the main pollinators of agricultural crops.
Warmer weather is bringing out snakes, including rattlesnakes, in Northern California.
The company responsible for the crude oil spill off the Santa Barbara coast said Wednesday that cleanup costs are $3 million a day.
Groups sue California, U.S. officials over management of water supply, claiming fish and the Delta estuary are being short-changed.
Relatively few of the cars on the road in California are responsible for most of the pollution. Now the state is trying to do more to get them off the road.