Robert Pangod, Sagada municipal disaster risk reduction and management officer, said two police helicopters dropped explosives in a suspected rebel hideout in Barangay Aguid in the municpality of Sagada at 8 a.m.
He said no casualties have been reported.
Pangid said Sagada officials had suspended tours to the Bomod-ok Falls since Thursday because of the conflict.
He said farmers were also discouraged from tending to their rice fields.
Superintendent Davy Vicente Limmong, spokesman of the Cordillera Police Office at Camp Dangwa, confirmed the air strikes.