The city of Santa Clarita will celebrate the grand opening Saturday of Todd Longshore Park, a $4.5 million project named for a parks commissioner who died in April. Planned for 20 years on a hilltop with a sweeping view of the city, the 32-acre park features a tot play lot, hiking trails, gazebos and picnic areas. The 11 a.m. ceremony will be held at the park, 28151 White Canyon Road. Longshore died April 24 at age 49 of a pulmonary embolism. He is survived by his wife, DeAnn, three sons and a daughter. Nate Longshore, the eldest son, had a stellar football career at Canyon High School and now is quarterback for the University of California at Berkeley.