"-5" . . "Seneca Rocks is an unincorporated community located in Pendleton County, West Virginia, USA. The community of Seneca Rocks \u2014 formerly known as Mouth of Seneca \u2014 lies along West Virginia Route 28/West Virginia Route 55 near the confluence of Seneca Creek and the North Fork South Branch Potomac River. The community also lies near Seneca Rocks, the crag from which it takes its name."@en . . . "Seneca Rocks"@en . . . . "477.926"^^ . . "-4" .