C-19 restrictions are still in effect at Lake Tahoe. Check with local chambers to find individual restrictions. There are survival rules of 3. They are 2: One can survive 3 min with out air. 3: One can survive 3 hours with out proper shelter ( hot or cold). 4: One can survive 3 days with out water. 5: One can go 3 weeks with out food. The 1st rule is One has 3 seconds to get into the correct mindset to survive and realize you will get through any obsticle in front of you. Use your mind.