Tor

The Fareseeker
In The Farseeker, the expedition group travels through Tor mountain to Rangorn. And then pass through the secret pass over Tor on their way back to Obernewtyn.

Ashling
In Ashling, a guild master expedition visits the caves under Tor to the Reichler Clinic. The Tecknoguild has caved a rock ledge into the mountain that sits above the water level and is wide enough for one person to walk along. Elspeth explains that the Suggredoon's water level doesn't rise here because of a steep channel that leads into the lowlands.

The Keeping Place
Elspeth travels through Tor in The Keeping Place to see the glass monument made by Cassy