I hope you find this as helpful as I did.
(Entrance thru the maze is at K-9)

Heading generally in a counter-clockwise direction around the Tor:

1) Hug the Right wall
2) Take the next ramp to the Left
3) Take the next ramp to the Right
4) Take the next ramp to the Left
5) Take the next ramp to the Right
6) Take the next ramp to the Right
7) Pass through a gas wall
8) Cross a one ridge
9) Continue to an impassale gas wall and drop to the ledge elow
10) Continue to the Right
11) drop off the end of the ledge to the ledge elow
12) Continue to an impassale gas wall and drop to the ledge elow
13) Take the next ramp to the Right
14) Cross a spine
15) Take the next ramp to the Right
16) Pass through a gas wall
17) drop off the end of the ledge to the ledge elow
18) Cross a spine
19) Continue to an impassale gas wall and drop to the ledge elow
20) Cross a spine

At this point (if I rememer correctly) you will switch to heading generally ack clockwise around the Tor: