The Grinding Gulf is a great chasm where flying boulders cascade in a magical vertical dance. Elminster and Florin Falconhand once investigated the Grinding Gulf, but decided that it did not present an immediate threat.
- ↑ 1.0 1.1 Ed Greenwood, Julia Martin, Jeff Grubb (1993). Forgotten Realms Campaign Setting 2nd edition (revised), Shadowdale. (TSR, Inc), p. 15. ISBN 1-5607-6617-4.
- ↑ Richard Baker, Eric L. Boyd, Thomas M. Reid (July 2007). Shadowdale: The Scouring of the Land. (Wizards of the Coast), p. 54. ISBN 07-8694-039-5.