The Chickahominy is an 87-mile-long river in eastern Virginia. The river, which serves as the eastern border of Charles City County, rises about 15 miles northwest of Richmond and flows southeast and south to the James River. The river was named after the Chickahominy Indian tribe who lived near the river when the English colonists arrived in 1607. Chickahomi…The Chickahominy is an 87-mile-long river in eastern Virginia. The river, which serves as the eastern border of Charles City County, rises about 15 miles northwest of Richmond and flows southeast and south to the James River. The river was named after the Chickahominy Indian tribe who lived near the river when the English colonists arrived in 1607. Chickahominy descendants live in Charles City County today.