Note: this is an evergreen style explainer, not a news report.

Order a West Coast IPA in San Diego and you are ordering a piece of local history. Clear, golden, bitter, and loaded with pine, resin, and grapefruit, the style is the beer that put this county on the map for drinkers around the world. It fell out of fashion for a while when hazy, juicy IPAs took over, but it never really went away here. And lately, it has come roaring back.

Where it came from

The American IPA story starts in the late 1970s and 1980s, when California brewers began pushing pale ales further with Pacific Northwest hops like Cascade, Chinook, and Centennial. Sierra Nevada Pale Ale, released in 1980, cracked the door open with its bold Cascade character. Through the 1990s, San Diego and California brewers kicked that door wide open: Stone released its IPA in 1997, a nearly 7 percent beer at 77 IBUs built on Chinook, Columbus, and Centennial hops, and it tasted like nothing most drinkers had tried before.

Around the same time, Vinnie Cilurzo was working at Blind Pig Brewery in Temecula, where he created an anniversary beer by doubling the hop bill. He later took that idea to Russian River Brewing and built Pliny the Elder, the piney, resinous double IPA that became the most sought-after beer in the country. Green Flash, AleSmith, and Ballast Point added their own landmarks, and the template was set: clear, dry, aggressively bitter, and proud of it.

What makes it West Coast

A classic West Coast IPA is built to be seen through. It pours brilliant and clear, with a white head and a firm, lingering bitterness. The hop character leans pine and resin, grapefruit pith, and dank citrus, backed by just enough malt to hold it together. Bitterness is not a flaw to be smoothed over; it is the point. That is the sharpest contrast with the New England style that dominated the 2010s, which trades bitterness for soft, juicy, tropical fruit and a hazy pour.

The style also rewards the drinker who pays attention. Because the bitterness is up front, the malt and hop details behind it stand out more: the grapefruit snap of Centennial, the pine forest of Simcoe, the resinous depth of Columbus. It is a beer that asks something of you, and that is part of why its fans are so loyal.

Why it came back

Hazy IPAs earned their moment, but drinkers eventually missed the crispness. A clear, bitter IPA cleanses the palate instead of coating it, which makes it a better partner for food and a better second pint. San Diego never abandoned the style in the first place, so when the pendulum swung back, the county’s brewers were already pouring it. Newer West Coast IPAs tend to be a touch more refined than the palate-wreckers of the IBU wars, with brighter hop aroma and a cleaner finish, but the soul is unchanged: bitter, bright, and unapologetic.

If you want to understand San Diego beer, start here. Order a West Coast IPA, look through it, and taste why this county built its reputation one bitter pint at a time.