The lowest gap in the whole northern Annamite chain, carrying the track from the Gianh valley over into the Se Bang Fai and the middle Mekong.
Neither Dai Viet nor anyone else garrisons it; the people of the pass take a cut of what goes through (board).
Who holds it
- Title
- Ly officer or local chief
- Confidence
- low
The campaign board entry notes only
Lord in 1200
Hill headmen of the pass; no names.
Walls and castle
A track; no post.
Trade and crafts
Goods carried between the Gianh valley and the Mekong.
Places of note
- Mu Gia pass: The place
Where the sources disagree
Evidence: The campaign board entry note and a modern coordinate; nothing in our sources dates the place to 1200.
"The campaign board" is OMNIA's working map. These notes record where its earlier claims were checked against the sources.
Sources and studies
- OMNIA board notes for the Vietnam and Champa area (a lead, not a source)
Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.