I have some skill in making topographical maps of real life locations aside from my many many fantasy maps. Here's a quick example of the region from...
The Finished Maps section of the Guild here ( https://www.cartographersguild.com/forumdisplay.php?f=36 ) has thousands of maps that can be useful as...
Cartography is the art of abstraction to fulfill a purpose. You may find that several simpler maps (or layers on a simpler map) are much more useful...