Toutle River

Castle Rock High School is a rural public high school in Castle Rock, Washington.

The Laughlin Round Barn near Castle Rock, Washington is a round barn that was built in 1883. It was listed on the National Register of Historic Places in 1986.

Castle Rock is a city in Cowlitz County, Washington, United States. Located between the Willapa Hills and the western base of Mount St. Helens, Castle Rock is at the heart of Washington timber country in the Pacific temperate rain forest. Castle Rock is part of the Longview, Washington Metropolitan Statistical Area; the population was 2,446 as of the 2020 census.

Arkansas Creek is a stream in the U.S. state of Washington.Arkansas Creek was named after the state of Arkansas, the native home of a large share of the first settlers.

KLYK (94.5 FM) is a radio station broadcasting an Adult Top 40 format. Licensed to Kelso, Washington, United States, the station is currently owned by Bicoastal Media Licenses IV, LLC and features programming from Premiere Networks and Westwood One. The station focuses on Today's Best Music with the slogan "Southwest Washington's Hit Music Channel."

Olequa, also known as Olequah, is an unincorporated community in Cowlitz County, Washington. Olequa is located north of the city of Castle Rock on the west bank of the Cowlitz River. Olequa is accessed by traveling 7.5 miles (12.1 km) north on West Side Highway from Castle Rock. The Olequa community is part of the Castle Rock School District, a K-12 school district of about 1,300 students. A post office called Olequa was established in 1875, and remained in operation until 1912. Olequa is a name derived from an Indian language.

Sandy Bend is an unincorporated community in Cowlitz County, Washington, south of the city of Castle Rock, west of Washington State Route 411, and to the west of the Cowlitz River. Sandy Bend is located along or near Sandy Bend Road between Castle Rock and West Side Highway. The Sandy Bend community is part of the Castle Rock School District, a K-12 school district of about 1,300 students.

Pleasant Hill is an unincorporated community in Cowlitz County, Washington, south of the city of Castle Rock. Pleasant Hill is located along or near Pleasant Hill Road between Castle Rock and Ostrander. The northern end of Pleasant Hill community is part of the Castle Rock School District, while the southern end is part of the Kelso School District.

Seaquest State Park is a public recreation area located on the western flank of Silver Lake in Cowlitz County, Washington. The 505-acre (204 ha) state park is home to the Mount St. Helens Visitor Center, which offers displays on the Mount St. Helens volcanic eruption of 1980. Mount St. Helens itself is 30 miles (48 km) east of the park.

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. The Silver Lake community takes its name from the lake of the same name, which it lies on the northwest shore of. The Silver Lake community is part of the Toutle Lake School District, a K-12 school district of about 600 students. Silver Lake is about 30 miles (48 km) west of Mount St. Helens and near the Mount St. Helens National Volcanic Monument, which lies at the end of the Spirit Lake Memorial Highway. The eruption of Mount St. Helens on May 18, 1980 was the deadliest and most economically destructive volcanic event in the history of the United States. The WDFW has planted grass carp in this lake. The grass carp have lived far longer than expected, and have destroyed much of the beneficial native vegetation. It is now legal to fish for or retain grass carp.Silverlake also describes the associated marsh. It is home to a nature trail, and the visitor center for the Mount St. Helens National Volcanic Monument.

Ostrander is an unincorporated community in Cowlitz County, Washington, north of the city of Kelso. Ostrander is located north on North Pacific Avenue from exit 42 of Interstate 5. The Ostrander community is part of the Kelso School District, a K-12 school district of nearly 5,000 students.

Lexington is an unincorporated community and census-designated place (CDP) in Cowlitz County, Washington, United States. As of the 2020 census, it had a population of 3,834. During the 2010 census, Lexington was part of the West Side Highway CDP. The CDP is in the western part of the county and is bordered to the southwest by Beacon Hill and to the east by the Cowlitz River. State Route 411 runs through the community, following the Cowlitz. It leads south 4 miles (6 km) to Longview and north 8 miles (13 km) to Castle Rock.