The Radnor Lake State Park is a state park and natural area in Nashville, Tennessee. It is quite a popular destination, offering a quick nature getaway in a major American city.

Composed of 1200 acres of area, the Radnor Lake State Park, also known as the Radnor Lake State Natural Area, is a nature preserve right in the heart of Nashville. This Tennessee state park unit is quite unusual, as not a lot of nature preserves are located inside a major city. It provides a variety of scenic spots and a wide array of natural habitats. It is also home to various species of plant and animal life.

The Radnor lake State Park offers a good amount of nature trails available for hiking.