Visibility history for Illahee State Park

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Visibility history

Typically, visibility at Illahee State Park is about 11 ft (range 10–15 ft), based on 5 pnwdiving reports from 2021 through 2025.

Seasonal visibility chart for Illahee State Park. Typical visibility by month includes Apr 11 ft, Jul 10 ft, Nov 15 ft.

Typical visibility by month at Illahee State Park
Month	Typical visibility (ft)
Apr	11
Jul	10
Nov	15

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6/20/2025