Bike riding is among the popular activities in Yosemite Valley. The National Park Service, which soon turns 100, oversees the park.
Bike riding is among the popular activities in Yosemite Valley. The National Park Service, which soon turns 100, oversees the park. John Westberg Sun-Star file
Bike riding is among the popular activities in Yosemite Valley. The National Park Service, which soon turns 100, oversees the park. John Westberg Sun-Star file

Yosemite keeps eye on safety, sustainability

July 29, 2016 11:50 AM