It appears that the Cosumnes parking lots, restrooms, and visitor center are closed, but the trails are still open. Good news.
Susan M. Schneider
Climate activist and award-winning author of The Science of Consequences
“The impact of human-induced warming is worse than previously feared, and only drastic coordinated action will keep the damage short of catastrophe.”
- Intergovernmental Panel on Climate Change, October 2018 report (authored by 91 scientists from 40 countries, based on over 6,000 scientific references)
It's not too late.