Tolt-MacDonald Park Campground

Duvall is a city in King County, Washington, United States, located on SR 203 halfway between Monroe and Carnation. The population was 8,034 at the 2020 census.

The Tolt River is located in the western foothills of the Cascade Mountains in north central King County in the U.S. state of Washington. The river begins at the confluence of the North Fork Tolt and South Fork Tolt rivers. It flows southwest joining the Snoqualmie River near Carnation, Washington. The Tolt River watershed is part of the larger Snohomish River and Puget Sound drainage basin. The

Union Hill-Novelty Hill is a census-designated place (CDP) in King County, Washington, United States. The area was first recognized by the Census Bureau in the 2000 census. The population was 22,683 at the 2020 census. Based on per capita income, Union Hill-Novelty Hill ranks 5th of 522 areas in the state of Washington to be ranked.