Tri-City Regional Park  
(714) 973-3180
40-acre park with walking trails and picnic areas. Spring – Summer hours, 7 a.m. – 9 p.m. Fall – Winter hours, 7 a.m. – 6 p.m. 2301 Kraemer Blvd., Placentia. www.ocparks.com/parks/tri_city_park