Alpine Beer Company
An Alpine, California craft brewery recognized for strongly hopped, high-alcohol beers and influential American sour ales.
Last updated August 22, 2026
Overview
Alpine Beer Company is an American craft brewery based in Alpine, California, an area east of San Diego. Founded by Pat McIlhenney in 1999, the brewery developed a reputation for hop-forward beers, including the Pure Hoppiness and Exponential Hoppiness India pale ales, as well as stronger pale ales, red ales, and sour beers. Its portfolio became associated with assertive bitterness, substantial alcohol levels, and the highly aromatic character typical of San Diego’s craft-beer movement. The business began before it had its own brewing facility. In its early period, Alpine contracted production of McIlhenney’s Irish Red to AleSmith Brewing Company. Alpine established its own brewery in 2002, allowing the company to develop and produce its beers under its own brewing operation. McIlhenney’s Irish Red became one of the brewery’s best-known beers and earned recognition at major American and international competitions. Alpine’s reputation grew through both consumer enthusiasm and competition results. Beer Advocate ranked it the fifth-best brewery in the United States in 2006. The brewery’s beers also received medals at the Great American Beer Festival and the World Beer Cup. Recognized examples include Mandarin Nectar, McIlhenney’s Irish Red, and HFS IPA. The company’s sour beers were also cited in coverage of a broader American movement toward refreshing, modern sour ales, giving Alpine a profile beyond its better-known hop-driven beers. In November 2014, Alpine Beer Company was acquired by fellow San Diego brewery Green Flash Brewing Company. The transaction connected Alpine to a larger regional craft-beer organization while retaining Alpine’s identity as a distinct brewery brand. Available reference material does not establish Alpine’s current ownership structure, operating status, distribution footprint, or whether all historical beers remain in production. The official website is therefore the principal current brand reference, while historical descriptions emphasize Alpine’s role in San Diego craft brewing and its combination of intense hop character, strong ales, and sour-beer experimentation.
History
Alpine Beer Company was founded in 1999 by Pat McIlhenney in Alpine, California. The brewery emerged during the expansion of American craft brewing and became particularly associated with the San Diego region’s preference for bold, aromatic, strongly hopped beers. Its early portfolio included McIlhenney’s Irish Red, whose production was initially contracted to AleSmith Brewing Company before Alpine developed its own brewing operation. Alpine established its own brewery in 2002. This transition marked an important operational step, moving the company from contract production toward direct control of brewing and allowing it to build a more recognizable house portfolio. The brewery’s beers generally emphasized hop intensity and, in several cases, relatively high alcohol content. Pure Hoppiness and Exponential Hoppiness became especially associated with Alpine’s reputation among craft-beer enthusiasts. The brewery also produced styles outside the India pale ale category. McIlhenney’s Irish Red received awards at both American and international beer competitions, while Mandarin Nectar and Alpine’s sour beers demonstrated a broader interest in fruit-accented and acidic beer styles. The Los Angeles Times identified some Alpine sour beers as part of a newer wave of refreshing American sour ales, situating the brewery within a wider evolution of American craft brewing rather than limiting it to the San Diego IPA tradition. Competition results helped reinforce Alpine’s standing. Mandarin Nectar won a bronze medal at the 2003 Great American Beer Festival. McIlhenney’s Irish Red won a silver at the 2004 Great American Beer Festival and was also recognized at the World Beer Cup, including a gold medal in 2004 and a silver medal in 2008 according to the cited historical account. Alpine later received a bronze medal at the 2016 Great American Beer Festival for HFS IPA in the Strong Pale Ale category. The brewery is also reported to have accumulated three Great American Beer Festival medals and eight World Beer Cup medals. In 2006, Beer Advocate ranked Alpine as the fifth-best brewery in the United States. This recognition reflected the strong following built around the brewery’s hop-forward beers and specialty releases. In November 2014, Green Flash Brewing Company acquired Alpine Beer Company. The acquisition brought Alpine into the organization of a larger San Diego brewery while preserving Alpine as a recognizable brand. The supplied historical sources do not provide enough information to establish later ownership changes, current production levels, current leadership, or the complete status of its historical portfolio. Alpine’s documented legacy is therefore best understood through its founding, move to independent brewing, medal-winning beers, influence within American sour-beer coverage, and association with the highly hopped San Diego craft-beer style.
- 2016HFS IPA receives Great American Beer Festival bronze
HFS IPA won a bronze medal in the Strong Pale Ale category.
- 2014Acquired by Green Flash Brewing Company
Green Flash Brewing Company acquired Alpine Beer Company in November.
- 2008McIlhenney's Irish Red wins World Beer Cup silver
McIlhenney's Irish Red received a silver medal at the World Beer Cup.
- 2006Ranked fifth among United States breweries by Beer Advocate
Beer Advocate placed Alpine Beer Company fifth in its ranking of American breweries.
- 2004McIlhenney's Irish Red receives major competition recognition
McIlhenney's Irish Red won a Great American Beer Festival silver medal and a World Beer Cup gold medal.
- 2003Mandarin Nectar earns Great American Beer Festival bronze
Mandarin Nectar received a bronze medal at the Great American Beer Festival.
- 2002Company begins brewing at its own facility
After an initial period of contract brewing, Alpine established its own brewery operation.
- 1999Alpine Beer Company founded
Pat McIlhenney founded Alpine Beer Company in Alpine, California.
Products and positioning
A San Diego-area craft brewery positioned around intensely hopped, higher-alcohol beers and distinctive specialty styles, with additional credibility from medal-winning red and sour ales.
Pure HoppinessIndia pale ale
Pure Hoppiness is one of Alpine’s signature hop-forward beers. The beer is associated with the brewery’s emphasis on pronounced hop character and relatively high alcohol strength; the cited reference lists it at 8% alcohol by volume. It helped establish Alpine’s following among enthusiasts of assertive American IPA.
Exponential HoppinessIndia pale ale
Exponential Hoppiness is a strongly hopped Alpine IPA that became one of the brewery’s best-known beers. It is cited alongside Pure Hoppiness as a product that contributed significantly to Alpine’s enthusiast following. The available reference material does not establish a launch date, current recipe, or present production status.
McIlhenney's Irish RedIrish red ale
McIlhenney’s Irish Red is a named Alpine beer with an early production history that included contract brewing by AleSmith Brewing Company before Alpine opened its own brewery. The beer received medals at the Great American Beer Festival and World Beer Cup. The supplied reference lists it at 6% alcohol by volume.
Mandarin NectarFruit beer
Mandarin Nectar is an Alpine beer recognized with a bronze medal at the 2003 Great American Beer Festival. Its name indicates a mandarin-centered profile, although the available reference material does not provide a full ingredient description, alcohol level, launch date, or current availability.
HFS IPAStrong pale ale
HFS IPA received a bronze medal at the 2016 Great American Beer Festival in the Strong Pale Ale category. The award provides evidence of Alpine’s continued recognition for hop-driven specialty beers, but the cited sources do not establish the beer’s full specifications or current status.
Alpine sour beersSour beer
Alpine produced a group of sour beers that received attention in coverage of a newer American sour-beer movement. These beers broadened the brewery’s identity beyond strong IPAs and demonstrated an interest in refreshing, acidic specialty ales. Specific product names, release dates, and present availability are not established in the supplied material.
Flagship businesses
- Pure Hoppiness
- Exponential Hoppiness
- McIlhenney's Irish Red
- Mandarin Nectar
- HFS IPA
Brand decisions
- 2014Acquisition by Green Flash Brewing CompanyM&A
Alpine had developed a recognized portfolio of hop-forward and specialty beers within the San Diego craft-brewing market.
What changed. Green Flash Brewing Company acquired Alpine Beer Company in November 2014.
Aftermath. Alpine became part of Green Flash's brewery portfolio while remaining identified as the Alpine Beer Company brand. The supplied sources do not document subsequent operational or ownership changes.
- 2002Transition from contract brewing to an owned breweryStrategy
Before operating its own brewery, Alpine had production of McIlhenney's Irish Red handled by AleSmith Brewing Company.
What changed. Alpine established its own brewing facility and began producing its beers through its own operation.
Aftermath. The move gave Alpine direct brewing capacity and supported the development of its independent craft-brewery identity.
Leadership
| Name | Title | Tenure |
|---|---|---|
| Pat McIlhenney | Founderformer | 1999– |
Recent events
- 2016HFS IPA wins Great American Beer Festival bronze
Alpine received a bronze medal at the Great American Beer Festival in the Strong Pale Ale category for HFS IPA.
Other - 2014Alpine Beer Company acquired by Green Flash Brewing Company
Green Flash Brewing Company acquired Alpine Beer Company in November 2014, bringing the Alpine brewery brand into the portfolio of another San Diego-area craft brewer.
M&A - 2006Alpine ranked among the leading American breweries
Beer Advocate ranked Alpine Beer Company fifth among United States breweries, reflecting the reputation it had built for hop-forward and high-alcohol craft beers.
Other
Sources
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