Harrisonburg, Virginia is located in the Shenandoah Valley and has a humid subtropical climate with hot summers and cold winters. The region receives an average of 36 inches of rain per year and is prone to occasional flooding due to its location near the Shenandoah River. Surface water quality in the area is generally good with low levels of pollutants, but there are concerns about nutrient and sediment runoff from agriculture. Harrisonburg offers a variety of outdoor recreation opportunities including hiking, biking, fishing, kayaking, and skiing at nearby Massanutten Resort. The city also has several parks and trails, including the popular Shenandoah Valley Rail Trail, which runs for 7.5 miles through Harrisonburg.