“A wide, easy dirt road that is sun-exposed at the bottom, then mostly tree-covered at the top.”
— David Gregg
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Pay attention and ALWAYS keep your eyes up-trail. The upper half is called "Freeway" by the mountain bikers who can reach 35-40mph!
20+ feet wide, this dirt road is the main entrance to Turnbull and can get a lot of traffic on the weekends. More than half a mile uphill, the road turns left and heads up a steep hill. Even though it looks like the same road, that's where it changes name to Sumac Trail
. If you want to stay on Turnbull Canyon Trail
, take the right split and then turn left under the huge oak tree.
From the big tree to the top, it's a pleasant, mostly tree-covered road that gets much less traffic. Most visitors to Turnbull don't even know there's a trail up this way.
When the dirt road exits the trees, turning sharply left and uphill, there's an uphill singletrack split on the right, Turnbull Canyon Trail (Singletrack)
. According to area maps, this is actually the same trail but the change of trail-type and difficulty I think warrants separation.