The Great Valley Loop is a 14.4 mile circular route that travels through quiet off-road terrain outside Lafayette Township. The course mixes open stretches with wooded paths along the Great Valley Trail and has about 640 feet of total climbing. The elevation changes are gradual and steady, which makes the loop suitable for long training runs or relaxed endurance outings. The varied scenery and changing terrain help keep the run interesting from start to finish.
The route begins near the edge of Lafayette Township and moves into more rural surroundings as it gains height during the early miles. The middle portion includes the highest ground on the loop and offers the most rolling terrain. The final section trends gently downhill toward the starting point, providing a smooth and enjoyable finish. Overall, the loop offers a balanced blend of distance, scenery, and moderate challenge.
