The name Trace comes from the idea that our time on this planet leaves a mark on the environment, the people we meet, and the communities we live in. Learn More Recent Events Past Events Ballona Creek Clean-up with Parks Project 8/25/24 | 10am Trippy Trails Night Hike 9/7/24 | 5:30pm Crag Cleanup & Climb August 17, 2024 Portola Loop Sunset Hike August 3, 2024 Crag Cleanup & Climb July 20, 2024 the people you meet. the places you see. the traces you leave. Learn More