Fairly steep, packed-dirt doubletrack that is a seemingly endless climb/descent. While the grades are tough, the trail is generally in good shape, and your footing will be sound. There are frequently mountain bikers on this route, so keep an eye/ear out for them.
If your intent is to climb, make sure to take this trail in the morning or evening, as it's exposed and can be hot on the way up!
Some coverage provided by oak trees, but mostly exposed.