From the EID website

2017 Silver Lake Day Use Closures
Post Date:09/12/2017 9:29 AM
Silver Lake's Sandy Cove Day Use Area will close on October 2nd, weather ...more permitting. The Boat Launch and Day Use Area will remain open until October 20th, weather permitting. If the weather forecast calls for snow these dates may need to be earlier.

For questions please contact the Sly Park Recreation Office at 530-295-6810.