The Harmony Headlands State Park is a state park in Harmony, California. It is a coastal park located five minutes away from the community of Cayucos.

Covering 784 acres of area, the Harmony Headlands State Park is a day use park, open only from 6 am until sunset. It offers excellent nature trails made for hiking. A one and a half mile trail starts from the parking lot and leads to the coastal marine terrace grassland to an excellent picturesque view of the Pacific Ocean.

There are limited amenities and services available at the site. In fact, there?s only one portable restroom in the site, situated next to a historic ranch house at the beginning of the trail. Cell phone service is also limited.