[[File:Eden Quadrupel.JPG|thumb|right|150px|Bottle of Belgian made quadrupel]]
A '''Quadrupel''' (DutchFlemish for 'quadruple') is a type of [[beer]], with an [[alcohol by volume]] of 9.1% to 14.2%.
There is little agreement on the status of Quadrupel as a [[beer style]].<ref>{{cite web|url=http://www.beerscribe.com/category/quadrupel/ |title= The Post Where I Say Nice Things About Harpoon...A Quad Review |date= March 15, 2009 |publisher= Beerscribe |accessdateaccess-date=2013-10-02}}</ref> Writer Tim Webb notes that similar beers are called ''[[Grand Cru (food and drink)|Grand Cru]]'' in [[Belgium]] even though the idea is derived from the Belgian beer grade naming convention of usingthat uses numerical values descriptive of the number of prominent ingredients.<ref>Webb, T. ''Good Beer Guide to Belgium'', 6th edition</ref>
''Quadrupel'' is the brand name of a strong [[seasonal beer]] ''La Trappe Quadrupel'' brewed by [[De Koningshoeven Brewery]] in the [[Netherlands]], one of the eleventhirteen [[Trappist beerbreweries]]s in the world.
In other countries, particularly the United States, ''quadrupel'' or ''quad'' has become a [[generic trademark]]. The term may refer to an especially strong style of dark [[ale]] with a spicy, ripe fruit flavor.<ref>[http://www.chow.com/food-news/54755/belgian-beer-primer/ "Belgian Beer Primer"] {{Webarchive|url=https://web.archive.org/web/20150906102852/http://www.chow.com/food-news/54755/belgian-beer-primer/ |date=2015-09-06 }} Chow.com</ref><ref>{{cite web |url=http://www.newglarusbrewing.com/index.cfm/beers/ourbeers/beer/belgian-quad |title=Belgian Quad |publisher=newglarusbrewing.com |access-date= |accessdate=2013-10-02 |archive-date=2016-12-31 |archive-url=https://web.archive.org/web/20161231092505/http://www.newglarusbrewing.com/index.cfm/beers/ourbeers/beer/belgian-quad |url-status=dead }}</ref><ref>{{cite web |url=http://averybrewing.com/our-ales/the-reverend/ |title=The Reverend |publisher=averybrewing.com |accessdateaccess-date=2013-10-02 |archive-date=2015-03-27 |archive-url=https://web.archive.org/web/20150327042707/http://averybrewing.com/our-ales/the-reverend/ |url-status=dead }}</ref><ref>May. 25, 2007 ''[[Philadelphia Daily News]]'', [http://www.joesixpack.net/columnArchives/2007/052507.htm "Belgian taverns debuting all over"] {{Webarchive|url=https://web.archive.org/web/20160304064259/http://www.joesixpack.net/columnArchives/2007/052507.htm |date=2016-03-04 }}: "...Obviously that dish demands a hoppy beer (ba-dum), but she opted for a Three Philosophers from New York's [[Brewery Ommegang]], a powerfully satisfying quadrupel flavored with cherry [[lambic]]."</ref><ref>{{cite web|url=http://www.slyfoxbeer.com/index.php/front/beer_ichor |title= Ichor |publisher=slyfoxbeer.com |access-date= |accessdate=2013-10-02}}</ref><ref>{{cite web |url=http://weyerbacher.com/blog/2012/12/quad/ |title=Weyerbacher Brewing Company QUAD |publisher=Weyerbacher.com |accessdateaccess-date=2013-10-02 |archive-url=https://web.archive.org/web/20131005003527/http://weyerbacher.com/blog/2012/12/quad/ |archive-date=2013-10-05 |url-status=dead }}</ref><ref>{{cite web|url=http://www.boulevard.com/BoulevardBeers/bourbon-barrel-quad |title=Boulevard Brewing Company |publisher=Boulevard|accessdateaccess-date=2013-10-02}}</ref><ref>{{cite web |url=http://midnightsunbrewing.com/beer/8pb-venus-belgian-quadrupel/ |title=Midnight Sun 'Venus' |publisher= Midnightsunbrewing.com|accessdateaccess-date=2013-10-02 |url-status=dead |archiveurlarchive-url=https://web.archive.org/web/20130818185324/http://midnightsunbrewing.com/beer/8pb-venus-belgian-quadrupel/ |archivedatearchive-date=2013-08-18}}</ref>
