- Silver Lake, Washington (Wikipedia)
Silver Lake, sometimes Silverlake, is an unincorporated community in Cowlitz County, Washington, in the southwestern portion of the state. Silver Lake is located 6 miles (9.7 km) east of Castle Rock along Washington State Route 504, which is also known as the Spirit Lake Memorial Highway. The area considered Silverlake is about 6 miles (10 km) east of Interstate 5 (I-5) and is approximately 50 miles (80 km) from Portland, Oregon, to the south and Seattle about 110 miles (180 km) to the north. The closest cities to the subject property are Castle Rock, six miles (10 km) to the west, and Toutle, four miles (6 km) east.