I started at the west end of this trail by parking my car across the street in the big free lot at the Grape Park. Neat park with six relocated 19th Century buildings. The big train depot and a train car are open Thursday to Saturday from 1 to 4 p.m. Definately worth the visit. After only a couple hundred yards on this trail, I realized I'm not in Irvine anymore! No shortage of intoxicated homeless and home boys. The trail is almost completed covered in painted-over grafetti. Definately not a trail to ride if you are solo. The trail follows the creek at an imperceptable slight upgrade. There are at least a dozen at-grade street crossings, two of which are boulevards. By the last quarter mile of the trail, the grafetti is gone and new upscale houses appear. There is a nice fruit stand at the end of the trail (on the other side of Valley Parkway). They sell cold drinks, ice cream, fruit (of course) and one of the best hot tamales I have ever had. Also, if you are riding a mountain bike, there are dirt roads starting just east of the end of the trail that go up to Dixon Lake Recreation Area.