ZX Basic - 54 characters
===============

    a$="/\":for i=1 to 24*32:print a$(1+int(rnd*2));:next

![Output][1]


Here is the maze showing a route through it (spaces between lines)

![path][2]

and a small snippet from when I first did this (several years ago), and spent a bit of time doing better graphics.

![better graphics][3]


  [1]: https://i.sstatic.net/pByCV.png
  [2]: https://i.sstatic.net/YkCEj.png
  [3]: https://i.sstatic.net/aPK1e.png