  thumb|250px|dunnville dunnville (cayuga: detgahneka:Ëgo:wah ) is an unincorporated community located near the mouth of the grand river in haldimand county, ontario, canada, near the historic talbot trail. it was formerly an incorporated town encompassing the surrounding area with a total population of 12,000. ==history== ===general overview=== dunnville was the site of a cayuga settlement 
Communities_in_Haldimand_County Former_municipalities_in_Ontario