Agta, Casiguran DumagatPrint
L1 users: 610 (Headland 1989).
Central Luzon region: Aurora province, past Casiguran city to Dipaculao municipality; Cagayan Valley region: Isabela province, Dinapigue municipality; Quirino province, border area. All on central Luzon east coast.
None known. Intelligibility: 83% of Paranan [prf].
Latin script [Latn].
Negrito. Pressure from Filipino homesteaders moving into the area. Traditional lands now used by homesteaders for agriculture.