Mattoon Lake

Mattoon Lake last stocked May 11, 2026, with 12 stocking events on record since 2025.

Last stocked

May 11, 2026

Plants on record

12

Since 2025

Species recorded

1

Average size

13.8 in

Surface acres

26.1

Elevation

1,491 ft

Stocking history

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

Common questions

When was Mattoon Lake last stocked?
Mattoon Lake was last stocked on May 11, 2026, according to the Washington Department of Fish and Wildlife.
How often is Mattoon Lake stocked?
Mattoon Lake has been stocked 12 times since 2025 in the records we have on file.
What species are stocked at Mattoon Lake?
Mattoon Lake has recorded stockings of Rainbow Trout.

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Access and facts

Nearest town
Ellensburg
Shore access
Yes
Boat ramp
Yes

WDFW public fishing lake near Ellensburg in Kittitas County. Good shoreline access all around, plus a boat launch with gas motors prohibited. No camping. Gets weedy in summer; stocked with rainbow trout year-round.

Sources: access.shore (accessed 2026-09-19) , access.boat_ramp (accessed 2026-09-19) , nearest_town (accessed 2026-09-19) , shore_notes (accessed 2026-09-19)

Species stocked here

Nearest lakes