Mount Sar was a mountain located north of Waterdeep, between the Long Road and the High Road. Along with Mount Helimbrar and Mount Waterdeep, it protected the city against the harsh winds from the North.
Gulyaikin Dzrund, "The Mad Dwarf", lived in a series of caves high up on the mountain. He was known for attacking passersby with rocks either rolled down the mountain or catapulted at ships at sea. Rumors were that he had a vast treasure hidden away. 
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- ↑ 1.0 1.1 1.2 1.3 Ed Greenwood and Steven E. Schend (July 1994). “Campaign Guide”. City of Splendors (TSR, Inc), pp. 19–20. ISBN 0-5607-6868-1.
- ↑ 2.0 2.1 Ed Greenwood and Steven E. Schend (July 1994). “Campaign Guide”. City of Splendors (TSR, Inc), p. 73. ISBN 0-5607-6868-1.
- ↑ Ed Greenwood (December 1987). “Welcome to Waterdeep”. In Roger E. Moore ed. Dragon #128 (TSR, Inc.), pp. 8–14.,