⚠️Park Closure Notice: 10/30/2026
Box Springs Mountain Reserve closed until further notice due to unsafe road conditions. Please stay off trails.
✅Public Notice: 10/26/2026:
Hidden Valley Wildlife Area restrictions have been lifted. Visit a Regional Park or Trail today!
⚠️Park Closure Notice: 10/22/2026
Hidden Valley Wildlife Area closed until further notice due to rain erosion. Please stay off trails.
✅Public Notice: 10/16/2026:
Rancho Jurupa Regional Park restrictions have been lifted. Visit a Regional Park or Trail today!
⚠️Park Closure Notice: 10/15/2026
Hidden Valley Wildlife Area and Rancho Jurupa Regional Park closed due to high winds. Please stay off trails.
✅Public Notice: 10/13/2026: All Park restrictions have been lifted. Visit a Regional Park or Trail today!
⚠️Park Closure Notice: 10/13/2026
Hidden Valley Wildlife Area and Box Springs Mountain Reserve closed due to unsafe road conditions. Please stay off trails.
Due to the Volcano Fire, Sylvan Meadows Multi-Use Area, the Santa Rosa Plateau Ecological Reserve, and the Visitor Center are temporarily closed until further notice. Please stay off all trails. @RivCoReady
⚠️Public Notice: 05/19/2026
The following location is closed to the public until further notice:
Hidden Valley Wildlife Area
Hidden Valley Nature Center
✅Public Notice 4/06/2026: All weather restrictions have been lifted. Visit a Regional Park or Trail today!
⚠️Public Notice: 04/03/26
Due to inclement weather, the following locations are closed to the public until further notice:
Rancho Jurupa Regional Park
Hidden Valley Wildlife Area
⚠️Public Notice: 03/05/26
Due to high winds, the following locations are closed to the public until further notice:
Rancho Jurupa Regional Park
Hidden Valley Wildlife Area
⚠️Public Notice: 2/11/2026
The following locations are closed due to inclement weather:
Box Springs Mountain Reserve
Hidden Valley Wildlife Area
Santa Rosa Plateau Ecological Reserve
Harford Springs Reserve
Please keep off trails until further notice.
✅Public Notice 1/10/2026: All weather restrictions have been lifted. Visit a Regional Park or Trail today!
⚠️Public Notice: 1/9/26
Due to high winds, the following locations are closed to the public until further notice:
Rancho Jurupa Regional Park
Hidden Valley Wildlife Area
✅Reopened:
Santa Rosa Plateau Ecological Reserve
✅Public Notice: 12/30/2025
The following locations are reopened to the public:
Rancho Jurupa Regional Park
Hidden Valley Wildlife Area
Mary Tyo Staging Area
⚠️Santa Rosa Plateau Ecological Reserve will remain closed due to inclement weather until further notice.
✅Public Notice:
Kabian Park is reopened 12/29/2025.
⚠️Kabian Park is expected to close due to inclement weather on Thursday 1/1/2026.
⚠️Public Notice:
Due to high winds, Rancho Jurupa Regional Park is closed for day use and fishing 12/29/2025.
Regular hours are expected to resume 12/30/2025.
