Weekly Spotlight 4/10/16- O’melvany Park, Granada Hills, CA. Hiking Mushroom Foraging Running Spotting Chris - April 11, 2016June 1, 2016 1 O'melvany Park is a nice little hidden gem with several trails, lots of shaded grasslands, picnic tables, and lots of peace n quiet. The trails are suitable for short or intermediate loop hikes or cross country running.