This award winning park winds along the banks of the San Diego River between Carlton Hills Boulevard and Cuyamaca Street. Natural habitat areas and an extensive trail system surround the park. Additional features include a developed picnic area, barbeque grills, a picnic arbor, playground, basketball court and restrooms.

The following features are currently available at Mast Park:

 - Air Jumps Permitted

 - Barbecue Grills

 - Basketball Court 

 - Equestrian Trail 

 - Open Green Space 

 - Site Parking 

 - Park Shelter/Gazebo 

 - Picnic Tables 

 - Playground Equipment 

 - Restroom Facility

 - Sand Volleyball Court

 - Trail System 

Park Hours: Dawn to Dusk, year-round

Off-leash area hours:  (First circle inside the fenced off-leash dog area only.) Dawn to dusk.