Lake Mathew:
Max. length 4 mi (6.4 km)
Max. width 2 mi (3.2 km)
Average depth Approx. 150 ft (46 m)
Water volume 182,000 acre feet (224 hm3)
Shore length1 Approx. 14 mi (23 km)
Surface elevation 1,391 ft (424 m)
Diamond Valley:
Max. length 4.5 mi (7.2 km)
Max. width 2 mi (3 km)
Surface area 4,500 acres (1,800 ha)
Max. depth 260 ft (79 m)
You have to know somebody in the water district and Fish and Game department to fish in there.
have friends that live across the street from the lake and they said STRIPER every cast....