The temporary cache can grow quite large when panning around the map.
The cache can be manually cleared from the app's Settings menu if you are running low on storage.
It's important that each Map Source has exactly one download folder.
Tiled means the map is cut into many small squares (for performance reasons).
There are several pieces of information that go into a defining a map source: Maps in Gaia GPS are stored in two different places: the temporary cache folder and the Download Folder.
The list is calculated going along the track and calculating what map tile each point is on, then that tile, and one tile in each direction is added to the list.
Map Sources and Map Downloads can both be synced to