Horseshoe Lake in Woodland offers easily accessible trout fishing in a family friendly setting between Vancouver and Longview. During warmer weather, try your luck for bass and bluegill.
Kress Lake near Kalama offers good fishing for trout, bass and channel catfish a short drive from Interstate 5 in Southwest Washington.
Lake Sacajawea in the middle of Longview offers seasonally excellent fishing for stocked trout and warm weather fishing for bass and panfish.
Swift Reservoir is a huge lake in Southwest Washington known for excellent boat fishing for stocked rainbow trout from late spring into fall. Nearby Swift Power Canal offers bank anglers a great shot at catching trout.
Spearfish Lake in Washington (but near The Dalles, Oregon) offers great seasonal fishing for generously stocked trout as well as some pretty decent angling for warmwater fish.