Seneca is a Unincorporated area located in Haldimand, Ontario.

• Latitude: 43° 2' North   (decimal: 43.0332999)
• Longitude: 79° 51' West   (decimal: -79.8499999)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Station
• Canadian Province/Territory: Ontario
• Location: Haldimand
• GPS Coordinate Locator Map: Seneca Lat/Long