Data Disclaimer: Water level data is provided by USGS and NOAA for informational purposes only. Verify conditions on-site before any water activities.
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**Location & Access:** Mattoon Lake is located north of Ellensburg in Kittitas County, Washington, accessible via I-90 Exit 109. The site features a concrete boat launch suitable for kayaks, canoes, and motorboats. The access area is open year-round, providing convenient launch opportunities for paddlers exploring this desert lake.
**Facilities & Recreation:** The launch includes restrooms and camping options on-site. Mattoon Lake offers good shoreline access and is popular with anglers pursuing stocked rainbow trout, though activity levels vary seasonally. All water sports including swimming, boating, and paddling are permitted, though users should note that recreation occurs "at your own risk." The lake provides a calm-water paddling option in the Ellensburg area for those seeking an alternative to the nearby Yakima River's more challenging canyon terrain.