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.
Legislation introduced in the California state Assembly would create the Lower American River Conservancy to improve, protect, preserve and possibly expand the 5,000-acre American River Parkway.
Film makers and environmental activists are set to arrive in Nevada City and Grass Valley this week for the 14th annual Wild & Scenic Film Festival.
Record rainfall in parts of California, fueled in part by El Niño, won't end the state's historic four-year drought.
The Nevada city of Sparks has decided to stop trapping and killing beavers along the North Truckee Drain and seek a non-lethal alternative to remove them.
A movement around the U.S. encourages people to skip the shopping malls Friday and spend time in nature. Some national parks and state parks in California are waiving entry fees.