We did these too! But our little group of kids used two variants: the first was meant to be played by tracing your path with a pencil (so we could erase and reuse the map) through really narrow passages. The second was more interpretative; the players needed to use tools and the environment to progress (such as chopping down a tree and building a canoe to go through a river). We even had recurring characters from our real life experiences.

Our textbooks were full of mini maps like these around the edges.