Natural History Wanderings

Yosemite National Park reports:

Tioga Pass
A limited portion of Tioga Road will open to bicycles only on Saturday, April 19 at 6 am and will close at sunset Sunday, April 20. The road will be open between Crane Flat and May Lake junction (or beyond, if conditions permit; road closure signs will indicate the end of the opening). Cyclists should use caution, as they may encounter debris on the road, and should not proceed beyond the road closure signs. No services or facilities will be available.

There is currently no estimated opening date for the Tioga Road. The road is closed to vehicles, bicycles, and pedestrians when snow removal operations are underway

Glacier Point Road Opened to vehicles on April 14

via Tioga and Glacier Point Roads Plowing Update – Yosemite National Park (U.S. National Park Service).

Caltrans Winter Driving Tips Mountain Pass Closures reports the following Mountain passes are open

Ebbetts Pass SR4
Lassen Loop SR 89
Sonora Pass SR 108
June Lake Loop SR 158
Mammoth Lakes SR 203

Still Closed:
Monitor Pass SR 89
Lake Sabrina to Aspendall SR168

In addition KCET’s  SoCal Wanderer adds

• Also opened this week by Caltrans is the 270 to Bodie State Historic Park and the 168 to Lake Sabrina.
• Mono County has reopened Lundy Canyon, Rock Creek, and Virginia Lakes roads (but the lakes are still frozen).
• Down in Inyo County, all main Sierra Nevada roads have reopened, except Horseshoe Meadow outside Lone Pine. Whitney Portal, Onion Valley, Glacier Lodge, South Lake, and North Lake are all open.
• White Mountain Road, maintained by the Forest Service, is open to Sierra View, two miles short of the Ancient Bristlecone Pine Forest parking lot.