â€œThe Inyo portions of the South Sierra, Golden Trout, John Muir, Ansel Adams, Owens River Headwaters, and Hoover Wilderness Areas remain closed through December 1, 2020.â€ You can drive to Onion Valley
or Horseshoe Meadow
and hike to the wilderness boundary. That is about two thirds of a mile from Onion Valley and less than a quarter of a mile from Horseshow Meadow trailheads. You cannot hike to any of the destinations you mentioned.