The park is spread over 140 hectares and follows the Tolka River Valley for 8km from Mulhuddard to Ashtown. The pasturelands and playing fields of the upper section give way to woodlands, undulating fields and wetlands, providing varied landscapes and natural habitats for a wide range of fauna. The river valley is rich in plant and animal life, a haven for biodiversity within the city, and local history. Parking on Tolka Valley Road, vehicle access is possible in selected area’s of the park.