One of the largest of the Rivers of Temma. Its spirit is very powerful, almost as powerful as the Temma (River)"Spirit of Temma. In fact, she maintaines a constant presence in the physical world, living and working in Temma as "Lady Tyburn". She traffics mostly in locating lost objects and people, and trading in rare goods. The Tyburn River flows under the richest parts of town, and this gives its spirit and haughty, superior air. She is well aware of her power and position, and hates dealing with those who do not show proper respect.