I-5 North or southbound, take Longview/Long Beach exit 36 (Hwy 432-West). Continue on Hwy 432 to Hwy 4-West (Ocean Beach Hwy). Turn left and continue approximately 20 miles to Cathlamet. Take the second left at Cathlamet (Chester St.), then turn right onto 3rd St., and continue to marina. Launch/park fee is $5.00.
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