USA Aggregate

USA Aggregate is a boat ramp access point on the Watauga River in Carter County, Tennessee. The Watauga River is a substantial waterway classified as a large river (Stream Order 7) with significant flow averaging 1395.69 cubic feet per second. This section of river features a moderate to steep gradient of 33.9 feet per mile, indicating consistent current and moving water conditions typical of a river in the upper watershed region. The elevation at this access point is approximately 411.70 meters, positioning it in the lower elevations of the river system which spans from 411.70m to 1225.40m over its 78.70-mile length.

Paddlers and boaters using this access should be prepared for moving water with an average velocity of 2.81 feet per second. The combination of the river's stream order, gradient, and flow characteristics suggest this is suitable for boaters with intermediate to advanced paddling skills who are comfortable with river current and navigation. The Watauga River drains an area of 858 square miles, supporting a healthy flow volume that makes it suitable for various watercraft types. Given the river's characteristics and proximity to the source region, water levels and conditions can vary seasonally, so boaters should check current conditions before launching.