Waypoint Code
| PATAPT | | Description | Patapat Viaduct | | Category | Manmade Structures
| | Notes/Comments | | Coordinates (WGS84) | 18.573400° 120.896100° Elev: 31m | | Mark Point | GPS reading: Taken at the middle point of the viaduct | Waypoint Contributor | paulperez | Straight dist from Manila (approximate) | 444 km | | Province | Ilocos Norte | | Provincial Capital | Laoag City | Straight distance from Provincial Capital (ref: Laoag Church) | 52 km |
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