From Halopedia, the Halo wiki
The Vadam Valley is a valley located near the Vadam keep in Vadam, Sanghelios. It leads to the Vadam Harbor and all lands, homes and properties that are part of it are scattered about. In the House of Vadam story of Ther 'Vadam, when Ther escaped Vadam keep, he climbed down a cliff face before coming to the valley, where he swam down the river to safety.
List of appearances
- Halo: The Cole Protocol (First appearance)
- Halo: Hunters in the Dark
- ^ Halo: The Cole Protocol, page 195