The Bellarine Peninsula is a peninsula located south-west of Melbourne in Victoria, Australia, surrounded by Port Phillip, Corio Bay and Bass Strait. The peninsula, together with the Mornington Peninsula separates Port Phillip from Bass Strait. The peninsula itself was originally occupied by Indigenous Australian clans of the Wathaurong nation, prior to European settlement in the early 19th century.  Early European settlements were initially centred on wheat and grain agriculture, before the area became a popular tourist destination with most visitors arriving by paddle steamer on Port Phillip in the late 19th century.
Today, approximately 55,000 people live on the peninsula  and unlike its cousin, the Mornington Peninsula, this number increases only slightly during peak tourist months. However, the peninsula is a growing tourist region with a variety of beaches and seaside resorts and wineries; most of the peninsula is a part of the City of Greater Geelong. 
The area of Geelong and the Bellarine Peninsula was originally occupied by Indigenous Australian clans of the Wathaurong nation, prior to European settlement in the early 19th century.  The convict William Buckley escaped from the Sullivan Bay settlement in 1803, and lived among the Wathaurong people for 32 years on the Bellarine Peninsula.  In 1835, John Batman used Indented Head as his base camp,  leaving behind several employees whilst he returned to Tasmania (then known as Van Diemen's Land) for more supplies and his family. In this same year, Buckley surrendered to the party led by John Helder Wedge and was later pardoned by Lieutenant-Governor Sir George Arthur, and subsequently given the position of interpreter to the natives. 
By the 1850s the peninsula was known as ‘the granary of the colony’ and Portarlington became a major player in the wheat industry. Transport was by sea on Port Phillip Bay due to the poor roads. By the 1870s excursion traffic to the peninsula commenced, with tourists travelling from Melbourne by paddle steamers to enjoy fishing and swimming by the bay, with the coastal towns being major holiday resorts.  In 1879 one of the first branch railways was built in Victoria, from South Geelong station to Drysdale and Queenscliff.  Encouraging the growth in agricultural production and leading to the decline in the bay steamer traffic to towns along the way,  the line did not close until 1976.
In recent years with improved roads the peninsula has become popular with people employed in Geelong, with population growth in towns such as Leopold, Drysdale and Ocean Grove. The Seachange demographic phenomenon has also led to increased growth.  Ironically, the Australian TV series SeaChange was filmed at various locations on the peninsula, particularly at Barwon Heads, which helped promote tourism on the peninsula. The peninsula is showing signs of environmental consciousness and attitudes towards sustainability, much the same as the Mornington Peninsula.[ citation needed]
The Bellarine Peninsula is a gently to moderately undulating landform that protrudes in an east and north-easterly direction into Port Phillip. The peninsula is generally considered to begin its protrusion from between the town of Torquay and east of Geelong. It is surrounded by Corio Bay and the Outer Harbour to the north, Port Phillip to the north-east and east, The Rip to the south-east and Bass Strait to the south.
The peninsula's eastern regions host several bays and islands such as The Rip, Lonsdale Bay, Swan Bay, Swan Island, Rabbit Island and various other small islands. The central and north-eastern regions host a gently undulating topography with no major rivers, mountains or significant landforms. The most distinct feature in the western region of the peninsula is the Barwon River which flows through a series of large lakes and extensive wetlands before emptying into Bass Strait at Barwon Heads.
The uplifted block of the Bellarine Peninsula forms a very weakly dissected undulating plain of low elevation, less than 150m. Drainage from the remnant basalts of the Palaeogene Older Volcanics forms a vaguely radial pattern on the elevated plateau. A narrow strip of deeply weathered Cretaceous Otway Group rocks occurs in outcrop along the southern edge of the Curlewis Monocline, which forms the northern boundary of the peninsula. Landslides and narrow gullies have formed along the northern edge of the monocline. A sheet of marine sands of Late Neogene age covers the southern portion of the uplifted Bellarine block.
The majority of soils on the peninsula consist of grey-brown sedimentary sandy loams, overlaying medium to heavy textured clay. The Bellarine Hills are a significant variation with heavy black self mulching clay loams being well suited to intensive crop production.  Mining of shell grit for glass making was an important industry on the shores of Swan Bay. 
Much of the native vegetation throughout the peninsula has been cleared for agriculture, notable exceptions being areas of land around Swan Bay, parklands in Portarlington, coastal areas along the Barwon Coast and some small remnant pockets around the Barwon River lakes and wetlands, many of these last remaining areas are protected or included in parklands. The largest area of original native woodland vegetation remaining on the Peninsula lies in the 143 hectare Ocean Grove Nature Reserve.
The peninsula contains several significant wetlands, many of which form part of the Port Phillip Bay (Western Shoreline) and Bellarine Peninsula Ramsar Site and are of international significance for the protection of waterbirds and the critically endangered orange-bellied parrot. They are also recognised by BirdLife International in the Bellarine Wetlands and Swan Bay and Port Phillip Bay Islands Important Bird Areas. 
The peninsula is covered by two local government areas with a population of approximately 55,337. There were around 25% over sixty years old which is significantly higher than the national average of 18%. 
The Borough of Queenscliffe, situated on the peninsula is the last remaining borough left in Victoria, and was the only local government area not changed in the mass Victorian municipality reorganisation of 1993 enacted by then Liberal Premier Jeff Kennett. The remainder of the peninsula is part of the City of Greater Geelong, having been part of the Rural City of Bellarine before this time. The peninsula is also one of the parishes of the County of Grant, one of the Cadastral divisions of Australia.
Some of the more significant and historical shipwrecks include;
- Earl of Charlemont - sunk off the coast of Barwon Heads in (1853)
- Mountain Maid - sunk off Swan Island after a collision with the SS Queen (1856)
- Ozone - scuttled off Indented Head (1925)
- HMAS J3 - scuttled in Swan Bay (1926)
- Road: The Bellarine Highway is the major road link, running east from Geelong though the middle of the peninsula to Queenscliff. The Geelong-Portarlington Road is an important road link to the northern peninsula towns of Drysdale, Clifton Springs, Portarlington, St Leonards and Indented Head. Grubb Road runs north-south across the peninsula linking Drysdale and Ocean Grove.
- Ferry: The Peninsula Searoad Transport operates a roll on/roll off vehicle ferry service from Queenscliff on the Bellarine to Sorrento on the Mornington since 1987.  During July and August 2016 Port Phillip ferries ran a trail ferry service from Portarlington to Melbourne. 
- Bus: The Bellarine Transit System operated by McHarry's Buslines provides bus based public transport to the towns on the peninsula. 
- Train: The Queenscliff railway is no longer operational for commuter services, however the Bellarine Railway operates tourist services between Drysdale and Queenscliff on the former Victorian Railways line. Alongside runs the Bellarine Rail Trail which continues into Geelong. 
- Bicycle: The Bellarine Rail Trail runs from South Geelong station to Queenscliff and is a combination of sealed and well made gravel surfaces. The distance is 32 km. There is lots of popular road cycling on the Bellarine with some of the roads having dedicated bike lanes.
Black Rock on the southern coast (near Breamlea) is the location of the main ocean outfall for Geelong's sewage. Opened in 1915,  initially the sewage was left untreated before being discharged into the ocean. A primary filtration system was installed in the 1970s, and in the 1980s the current plant was built with an upgraded filtration system, along with a 1.2 kilometre long ocean outfall.  The plant was upgraded in 1997, with secondary filtration introduced, and a pipeline installed to transport recycled water to the flower farm at Torquay. 
A 60 kW capacity wind generator is located on Black Rock Road in Breamlea. Erected in November 1987 by the then State Electricity Commission of Victoria and the Victorian Solar Energy Council (now Energy Victoria) as a demonstration, it was sold in 1994 to the Alternative Technology Association of Melbourne. Electricity production ceased at 1200hrs on 17 May 2003 due to an electrical generator burn-out, caused by moisture, salt, and electrical flash-over.  The wind generator remains in place today intact.
- Edwards Point
- Lake Connewarre
- Lake Victoria
- Swan Bay
- Swan Island
- William Buckley (convict)
- Fort Queenscliff
- Mornington Peninsula
|Wikivoyage has a travel guide for Bellarine Peninsula.|
- "Wathaurong People". City of Greater Geelong website. Archived from the original on 1 September 2007. Retrieved 2007-12-16.
-  Archived 22 June 2008 at the Wayback Machine
- Geelong City Council Archived 24 January 2010 at the Wayback Machine
- "Reminiscences of James Buckley, communicated by him to George Langhorne, 1837". State Library of Victoria: Manuscript. Archived from the original on 24 November 2007. Retrieved 16 December 2007.
- "Timeline history". Geelong and District Historical Resources website. Archived from the original on 26 June 2007. Retrieved 19 July 2007.
- "Buckley, William (1780 - 1856)". Australian Dictionary of Biography, Online Edition. Archived from the original on 15 December 2007. Retrieved 2007-12-16.
- "Part C: Background Report" (PDF). Portarlington/Indented Head Structure Plan – Public Discussion Draft December 2006. City of Greater Geelong. Archived from the original (PDF) on 26 March 2009. Retrieved 2008-11-05.
- "Rail Geelong - Queenscliff Line Guide". www.railgeelong.com. Archived from the original on 19 November 2008. Retrieved 2008-11-05.
- "Rail Geelong - Drysdale Station". www.railgeelong.com. Retrieved 2008-11-05.
- "'SEACHANGE', FACT OR FICTION? (A study of demographic changes on the Bellarine Peninsula)". PACIFIC RIM REAL ESTATE SOCIETY. Retrieved 2008-11-05.
- "Geelong State of the Environment Report : Environmental Indicator". City of Greater Geelong website. Archived from the original on 6 September 2007. Retrieved 2008-11-05.
- BirdLife International. (2012). Important Bird Areas factsheet: Bellarine Wetlands. Downloaded from "Archived copy". Archived from the original on 10 July 2007. Retrieved 2012-09-29.CS1 maint: Archived copy as title ( link) on 2012-01-01.
- Fowles S., 2012 Spectators have a whale of a time Archived 4 March 2016 at the Wayback Machine. Apollo's View Accommodation. retrieved on 2 June 2014
- Peninsular Stamp Club (1987). Notes on the inauguration of the Peninsular Princess car / passenger ferry.
- "Trial begins for Portarlington ferry service to Melbourne". ABC News. 2016-07-29. Retrieved 2016-07-30.
- "McHarry's Bellarine Transit System". www.mcharrys.com.au. Archived from the original on 19 July 2008. Retrieved 2008-11-05.
- "Bike Trails: Barwon River and Geelong Foreshore". City of Greater Geelong. Archived from the original on 2 September 2007. Retrieved 2007-12-31.
- Begg, Peter (1990). Geelong - The First 150 Years. Globe Press. ISBN 0-9592863-5-7.
- "EPA - Investigation at Black Rock near Geelong". Archived from the original on 30 August 2007. Retrieved 2007-07-19.
- "$46M TREATMENT PLANT OPENED AT BLACK ROCK". Retrieved 2007-07-19.[ permanent dead link]
- "Wind and energy data for Breamlea turbine". Retrieved 2007-07-19.