Valon
From The Stargate Omnipedia
The location of one of Yu's secret bases. A previous lo'taur of his gave up the location to Morrigan's lo'taur (known for probing information from others). Then, Yu's lo'taur was "accidentally" killed in Valon's destruction.
DETAILS
HOME TO - Destroyed
FIRST APPEARED - N/A
KEY EPISODE
Summit - Dr. Jackson, who has taken the place as Yu's lo'taur Jarren, recites his knowledge of Yu's servants while observing several other System Lords.