Coronon River I is a river that runs through Coronon, Davao del Sur.

Coronon River I
Ilog ng Coronon I
Location
countryPhilippines
regionSouthern Mindanao
Physical characteristics
SourceCoronon River II
 - locationCoronon, Santa Cruz, Davao del Sur
Mouth 
 - locationDavao Gulf
 - elevation0 km (0 mi)
Length160 km (99 mi)
Basin size1,623 km2 (627 sq mi)
Discharge 
 - locationDavao Gulf
Basin features
Tributaries 
 - leftCoronon River II