Cherry Grove is an unincorporated community in Washington County, Oregon, United States. Cherry Grove is situated on the north bank of the Tualatin River near where it exits the Northern Oregon Coast Range and enters Patton Valley.

The Tualatin River is a tributary of the Willamette River in Oregon in the United States. The river is about 83 miles (134 km) long, and it drains a fertile farming region called the Tualatin Valley southwest and west of Portland at the northwest corner of the Willamette Valley. There are approximately 500,000 people residing on 15 percent of the land in the river's watershed.