The Almaden Open was a golf tournament that began at the Almaden Country Club in San Jose, California in 1958, mostly with local pros. It became a PGA Tour event, the Almaden Open Invitational, in 1961 and was played until 1965. After the 1965 event, the course underwent a major overhaul for several years. In 1968, a decision was made by the new owners not to continue the tournament.

Winners YearTourWinnerScoreTo parMargin ofvictoryRunner(s)-upAlmaden Open Invitational 1965 PGAT Bobby Verwey 273 −15 2 strokes Billy Martindale 1964 PGAT Billy Casper 279 −9 Playoff Pete Brown Jerry Steelsmith 1963 PGAT Al Geiberger (2) 277 −11 1 stroke Dutch Harrison Dick Lotz 1962 Al Geiberger 273 −15 5 strokes Charlie Sifford 1961 PGAT Jim Ferrier 279 −9 1 stroke Bob RosburgAlmaden Open 1960 Charlie Sifford 281 −7 Playoff Bill Eggers 1959 Ken Venturi 281 −7 6 strokes Bob Rosburg George Bruno Jimmy Clark Ken Still 1958 Bob Duden 212 −4 Playoff Bob Rosburg

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