Complex sentence: Dubbed the "Capital of the Peak"--see Chapel-en-le-Frith Rural District Council--parts of the parish lie within the Peak District National Park, though the town itself is outside the Park boundary.
Split into simpler sentences: Dubbed the "Capital of the Peak" (see Chapel-en-le-Frith Rural District Council). Parts of the parish lie within the Peak District National Park, though the town itself is outside the Park boundary.