Rainbow Trout at Mattoon Lake

Rainbow Trout has been stocked 12 times at Mattoon Lake, WA, most recently on May 11, 2026.

Stocking history

Source: Washington Department of Fish and Wildlife.
Date Quantity Avg. length Source
May 11, 2026 3,240 10.2 in report
March 25, 2026 3,080 10.6 in report
March 16, 2026 1,610 10.4 in report
February 24, 2026 320 14.5 in report
February 24, 2026 3,105 10.4 in report
October 31, 2025 102 23.5 in report
October 31, 2025 48 30 in report
May 13, 2025 3,000 10.2 in report
April 1, 2025 3,013 10.4 in report
March 18, 2025 1,840 10.4 in report
March 3, 2025 2,990 10.4 in report
March 3, 2025 300 14.5 in report

Rainbow Trout at this lake

Rainbow Trout stocked here has averaged 13.8" at planting. Full depth-by-season, top lures, and bait notes for Rainbow Trout are on the species guide, the same one linked from every water this fish is stocked in.

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Rainbow Trout at nearby lakes