San Ildefonso Peninsula

It is attached to the mainland through a 3.5 mile wide strip of land.

[1] Cape San Ildefonso can be found south of the peninsula.

[2] The peninsula is entirely under the jurisdiction of the municipality of Casiguran, Aurora.

The peninsula is border by water on 2 sides, to the west is the Casiguran Sound, and to the east is the Philippine Sea.

This article about a location in Central Luzon region is a stub.