Some varieties of copper ale may be produced to have a bitter flavor, such as that of a bitter, the English term for pale ale. Beer brewed with dark malt may contribute to a copper-colored beer.
Copper ale is the flagship beer of Otter Creek Brewing, a craft brewery located in Middlebury, Vermont. It is also produced by other U.S. companies, such as Boulder Beer Company in Boulder, Colorado.
- Grove, Jake (July 1, 2011). "On Tap: Singletrack Copper Ale from Boulder Beer". The Anderson Independent-Mail. Retrieved 18 January 2014.
- Boulton, Christopher; Quain, David (2013). Brewing Yeast and Fermentation. John Wiley & Sons. p. 33. ISBN 978-1118685341.
- Perozzi, Christina; Beaune, Hallie (2009). The Naked Pint: An Unadulterated Guide to Craft Beer. Penguin. p. 76. ISBN 978-1101149225.
- Szamatulski, Tess; Szamatulski, Mark (2010). CloneBrews, 2nd Edition: Recipes for 200 Commercial Beers. Storey Publishing. p. 148. ISBN 978-1603422802.
- DeBenedetti, Christian (2011). The Great American Ale Trail. Running Press. p. 113. ISBN 978-0762444762.
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