Kiken na Roka Toshi

Name
The Treacherous Pass City is named for the narrow pass throught the mountains, sitting in a valley on the seashore surrounded by the high mountains.

Ryu Bannin Toshi
The city is also known as Dragon's Guard City, named for the tale once told by a famous storyteller about a small girl who gave a dragon a rice ball, and the dragon promised in return that her family and all her descendants would know peace for a thousand years. The girls descendants have since then been numbered among the most prominent fishermen in Rokugan.

Major References

 * Legend of the Five Rings Roleplaying Game, Third Edition Page 300.