|Town of Dunnville|
|Motto: Grand Living in a Great Town|
|Incorporated as Village of Dunnville||January 1st, 1860|
|Incorporated as Town of Dunnville||1900|
|Joined Haldimand County||January 1st, 2001|
|• Mayor of Haldimand||Ken Hewitt|
|• Governing Body||The Council of Corporation of Haldimand County|
|• Ward 6 (Dunnville) Councillor||Lorne Boyko|
|• MP||Diane Finley (Conservative)|
|• MPP||Toby Barrett (PC)|
|• Former Town||7.65 km2 (2.95 sq mi)|
|Elevation||183 m (600 ft)|
|• Former Town||5,789|
|• Density||756.3/km2 (1,959/sq mi)|
|Time zone||Eastern (EST) (UTC−5)|
|• Summer (DST)||EDT (UTC−4)|
|Area code(s)||905, 289, 365|
Dunnville (Cayuga: Detgahneka:ˀgo: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.
The European settlement was originally built as the entrance to the Welland "feeder" canal and the town once boasted several water-powered mills and a once-bustling canal port. The feeder canal closed in the late 1880s and the last mill was destroyed and replaced with a condominium complex about ten years ago.
There is an impassable dam at Dunnville which regulates the level of the Grand River at Port Maitland which, in the 19th century, also helped regulate the level of the Welland Canal (from 1829 until 1887 when the (3rd) canal began to intake its water directly from lake Erie).
Dunnville was incorporated as a village in 1860 and then as a town in 1900. In 1974, the town amalgamated with the townships of Dunn, Canborough, Moulton and Sherbrooke when the Regional Municipality of Haldimand-Norfolk was formed. In 2001, Dunnville and all other municipalities within the region were dissolved and the region was divided into two single tier municipalities with city-status but called counties. What was the incorporated town of Dunnville now consists of Wards 5 and 6 in Haldimand County.
Only a few kilometres from Lake Erie, Dunnville has many private vacation properties.
There are many events and natural attractions. In June the annual Mudcat Festival is held to celebrate one of the Grand River's most well-known inhabitants. The festival includes a parade, strongman contests, midway, and fireworks. Another popular event is the Dunnville Agricultural Fair, held in late August which includes heavy, light and miniature horse shows, sheep and goat shows.
Dunnville has tennis, golf, lawn bowling and swimming facilities and many Bed & Breakfasts and camp sites to stay in. Tuesday and Saturday are Farmers Market days.
The former World War II RCAF Training Base, the Dunnville Airport, offers a unique window on history with its massive hangars and runways. Previously used for recreational flying and skydiving, the runways now boast six large wind-turbine power generators. The airport is also home to Haldimand County's newest museum, the No. 6 RCAF Dunnville Museum.
The Grand River and nearby Lake Erie offers aquatic activities including swimming, sailing, wind-surfing, canoeing and features prime locations for fishing.
Nearby are Byng Island Conservation Area, Rock Point Provincial Park, and Port Maitland's new pier. In the fall, Rock Point hosts thousands of Monarch butterflies heading south. Dunnville is also the site of one of the largest expanses of provincially significant wetlands in Ontario; bird watching and nature photography are practised there.
Smuckers Foods of Canada Co., which operates the Bick's Pickle Plant (Dunnville's largest factory), provides employment for a small percentage of the town's population, mainly students. In 2001 Bick's head office facility in Scarborough, Ontario was shut down and operations were transferred to the Dunnville location. The Bick's facility in Dunnville closed at the end of November 2011.
This community is the easternmost city that belongs to the Green Energy Hub of Southern Ontario.
2009 Grand River flood
- James N. Allan, politician
- Ryan Barnes, hockey player
- Peter DeBoer, NHL Coach for the San Jose Sharks (Former NHL Coach for the New Jersey Devils and Florida Panthers) 
- David Fenyves, retired NHL player
- Cory Conacher, Former NHL Player for the Ottawa Senators
- Nathan Horton, NHL Player for the Toronto Maple Leafs
- Matt Roik, professional lacrosse goaltender for the Washington Stealth
- Bryan Secorrd, Sarnia Fire Department
- Dunnville Secondary School - Panthers
- St. Michael's Catholic School - Golden Hawks
- Dunnville Christian School
- Fairview Avenue Public School - Falcons
- Dunnville Central Public School - Dragons (Closed)
- Thompson Creek Elementary School - Timberwolves
- Grandview Public School - Gators
- Anna Melick Public School - Mustangs
- Faith Jubilee Academy
- Fairview Elementary School
- Attercliffe Canadian Reformed Elementary School
- Lions Club
- Optimist Club
- Rotary International Club
- Royal Canadian Legion Branch 142
- 611 Harvard Royal Canadian Air Cadets
- 2nd Dunnville Scouting
- "Cayuga: Our Oral Legacy - Home. Cayuga Digital Dictionary". Retrieved 2012-05-27.
- Carrie Dick. Personal correspondence. Op. cit. GeoNative. "Iroquois: Mohawk, Cayuga, Wyandot". 1 Jan 1999. Accessed 20 Apr 2012.
- Wind Turbines Close Flight Operations at Historical Dunnville Airport
- Cathy Pelletier (2010-02-10). "The Flood --One Year Later". Dunnville Chronicle. Archived from the original on 2010-02-21.
It was Friday the 13th, 2009 when the Grand River awakened from its winter hibernation and began to unleash an unprovoked assault upon its neighbours. Melting snow and the accumulation of waters flowing into the 300-km length of the Grand suddenly, and without warning, spelled disaster for Cayuga and Dunnville. A repeated cycle of ice jams and releases caused the crest of the water to rise and fall, spilling over the banks at various locations. Very early in the morning, the water began its considerable, rapid ascent in Cayuga, and emergency personnel embarked upon what would become a very long, intensive rescue effort.
- Poitras, Cameron. "Pete DeBoer fired by Devils". CBC Sports. The Associated Press. Retrieved 16 May 2015.
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