Dixville Notch State Park is a park in northern New Hampshire, United States. The park encompasses 127 acres in Dixville Township where New Hampshire State Route 26 passes through Dixville Notch. Within the park there are a scenic gorge, waterfalls on two mountain brooks, and hiking trails that lead to the summits of nearby mountains. While the park is …Dixville Notch State Park is a park in northern New Hampshire, United States. The park encompasses 127 acres in Dixville Township where New Hampshire State Route 26 passes through Dixville Notch. Within the park there are a scenic gorge, waterfalls on two mountain brooks, and hiking trails that lead to the summits of nearby mountains. While the park is accessible year-round, it is unstaffed and no visitor services are available.