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5. Diamond Valley Lake, California [4,500 acres]
Diamond Valley is one of California’s newest reservoirs, and it has been managed as a trophy lake from day one. There are smallmouth here, but it’s the numbers of big largemouth that most come for. Competitors had to weigh five-fish limits topping 25 pounds to win two American Bass and three National Bass West contests between February and April. Big bass at the five events were 9.04, 9.32, 9.51, 9.20 and 8.32 pounds. Combined, there were 57 bass over 6 pounds.
Photo: The Metropolitan Water District of Southern California