Route: MapMyRide — Strava. For trail maps, see here and here.
Traffic: The trail is quite popular among walkers, joggers and cyclists. No vehicular traffic.
Climbing: Gently graded climbs. Great for beginners.
Bike Trails: The entire route is along a well maintained bike trail except for a short half-mile section along Skyline Blvd, between Hillcrest Blvd and Larkspur Drive (clearly shown in this trail map).
Views: Gorgeous views of Lower Crystal Springs Lake and San Andreas Lake. See photos.
Water stops and restrooms? Restrooms are available at four locations along the route. See trail map. No water is available.
Good time to visit? Any time of the year. Most of the trail is shaded, so even summer time is great.
Extensions: For a longer ride, consider adding Cañada Road to the route.