If you are not already where you plan to hunker down? In a safe place! Because you are limited in being able to Back Pack or Hike?
Using Travel wheeled suitcases / packs to pull by handles, rather then carry? Might be an aid!
Maybe a larger faithful family pet can help in pulling a small light weight cart for a Back Pack for all of you? If you need to leave where you are? But it would be better to already be in a safe place!