Oregon changed American destination golf when Mike Keiser opened Bandon Dunes on the southern coast in 1999, hiring then-untested David McLay Kidd to build a walking-only links on actual sand dunes above the Pacific. Pacific Dunes (Tom Doak), Bandon Trails and Old Macdonald (Coore and Crenshaw), Shorty's and Sheep Ranch followed, creating a resort that is less a hotel amenity than a reason to cross an ocean. The point was never luxury spa golf; it was weather, fescue, and a walk in the wind.
Inland, Pumpkin Ridge near Portland hosted the U.S. Amateur (Tiger Woods's 1996 win) and a U.S. Women's Open. Crosswater at Sunriver, Pumpkin Ridge's Ghost Creek, and a strong Portland public-and-private scene give the Willamette Valley its own culture—wetter, greener, more year-round than the coast's storm windows. There is no current PGA Tour stop; Bandon is the pilgrimage, Portland the hometown game.
Oregon's signature is that coastal week: four or five walks in the dunes, rain gear in the bag, and a reordered sense of what American golf can look like. Locals in Portland play through drizzle on munis and clubs that stay open because grass grows in the rain. The culture split is healthy—destination monks at Bandon, league players in the valley—and both are serious. For architecture travelers, this is the trip that spoils them for cart-path golf everywhere else.