This was an old sketch with ballpoint pen in the back of a pad of paper. Recently I pulled this into photoshop to do a little tidying up, and ended up adding a touch of colour and shade.

Here’s the original sketch – in all its ballpoint pen glory.

Both the sketch and the final are free for personal used (CC-BY-NC-SA)

If you’re interested in how to draw a map like this, here’s the steps, and the relevant tutorials to follow for each:

You can also check out the final photoshop file for this map (and you can see where I cheated a little from the steps above).