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The Riverland has long been recognised as the 'engine room' driving the Australian wine industry. The region produces nearly 60 percent of South Australia's grapes, which translates to nearly 30 percent of Australia's grape production. Until recently the area was known mostly for the quantity of wine produced, but the emphasis has changed with an increasingly concentrated focus being directed on quality.
The climate is hot with high evaporation rates and low rainfall, making irrigation essential. The climate is also continental, resulting in long sunny days and noticeably cooler nights. Modern viticultural and winemaking techniques mean that the climate can be seen as one of the region's strengths. Long sunshine hours ensure fruit ripens fully and low relative humidity results in little incidence of disease.
Soils are red-brown sandy loam often overlying a limestone substrate. Fertility rates are moderate. The addition of adequate supplies of irrigation water from the Murray River turns the region's combination of soil and a sunny, reliable climate into an environment ideal for the growing of wine grapes. The secret to quality resides in restricting fertility and moisture to achieve the necessary balance.
Wineries
Angove’s, Berri Estates, Bonneyview Wines, Golden Mile Wines, Kingston Estate Wines, Loch Luna, Nelwood Wines, Pennyfield Wines, Renmano Winery, Rivers Wines, Salena Estate Wines, Simeon Wines, Austvin Loxton Cellars, Southcorp Wines Waikerie, Tandou Wines, Thomson Vintners and Torambre Wines.
If you would like to have your winery included in this list, please email awbc@awbc.com.au.
Wine Notes
Chardonnay
The Chardonnay is characterised by a rich gold colour and the full ripe fruit flavours of peach and melon. Careful use of oak adds an extra dimension to the wine without detracting from the fruit flavours. The current trend towards unwooded Chardonnay is also well suited to the ripe flavours of the Murray Valley.
Mourvedre and Grenache
While there are many young vineyards in the Riverland, there are also significant areas with wines over 80 years old. Many of these consist of Grenache and Mourvedre that were, until recently, seen as workhorse varieties for use in bulk reds and fortified wines. Frequently in combination with Shiraz, fruit from these old vines is now being used to produce medium bodied spicy red wines that exemplify the sunny, fruit-driven Australian style.
Shiraz
The key to the success of this variety in the Riverland is in restricting the yield to achieve the necessary ripeness and balance. As a result of increasing interest in Australian Shiraz on the world market, growers and winemakers have been encouraged to focus attention on this variety. At its best, Riverland Shiraz is warm and generous with soft and rounded flavours and a gentle tannin finish. They are not necessarily made for long-term cellaring but to be enjoyed while fresh and lively.
Other Varieties
Varieties such as Colombard, Chenin Blanc and Verdelho are increasingly being used to lift the quality of white wines in the region. Red varieties that show considerable potential include Merlot and Ruby Cabernet.
Vital Statistics
The statistics of three weather stations are set out to show that there is some variation across the region.
| Renmark Weather Station 1889-2003 (eastern sector) |
| Map Coordinates | 34°10'S, 140°45'E |
| Altitude | 20 m (65.6 feet) |
| Heat degree days, Oct-Apr | 1818 (cut off at 19ºC (66.2 ºF) but otherwise not adjusted) |
| Sunshine hours | NA |
| Annual rainfall | 261 mm (10.3 inches) |
| Growing season rainfall | 135 mm (5.3 inches) |
| Mean January temperature | 24.6°C (76°F) |
| Relative humidity, Apr-Oct, 3 pm | Average 33% |
| Harvest | Mid Feb-mid Apr |
| Waikerie Weather Station 1896-2001 (western sector) |
| Map Coordinates | 34º11´S, 139º59´E |
| Altitude | 30.1 m (98.4 feet) |
| Heat degree days, Oct-Apr | 1800 (cut off at 19º C (66.2 ºF) but otherwise not adjusted) |
| Sunshine hours | Oct-Apr NA |
| Annual rainfall | 253 mm (10 inches) |
| Growing season rainfall | 133 mm (5.2 inches) |
| Mean January temperature | 24.1º C (75.4 º F) |
| Relative humidity, Apr-Oct, 3 pm | Average 30% |
| Harvest | Mid Feb-Mid Mar |
| Loxton Research Centre Weather Station 1984-2003 (southern sector) |
| Map Coordinates | 34º26´S, 140º36´E |
| Altitude | 25 m (82 feet) |
| Heat degree days, Oct-Apr | 1724 (cut off at 19º C (66.2 ºF) but otherwise not adjusted) |
| Sunshine hours, Oct-Apr | 1968 |
| Annual rainfall | 267 mm (10.5 inches) |
| Growing season rainfall | 130 mm (5.1 inches) |
| Mean January temperature | 22.8º C |
| Relative humidity, Apr-Oct, 3 pm | Average 32% |
| Harvest | Mid Feb-Mid Mar |