Crowders Mountain State Park is the strongest outdoor POI near Gastonia, centred on rocky ridges that rise sharply from the Piedmont. Trails climb to viewpoints, pass cliffs and forest, and make the park feel much wilder than its proximity to Charlotte suggests.
It is best in cool weather or early in the day, especially if you plan to hike to the summit areas. Bring water and choose your route honestly; some trails are more strenuous than a casual park walk.