A trail guide, available at the entrance, provides a detailed description of the area.

Various trail guides said you would have to ford the Humboldt from four to nine times to get through the canyon.

A trail guide is available at the visitor center.

At that point Nolan began to lose critical trust in his primary trail guide.

Our trail guide called the yellow ones Russian berries.

A complete trail guide is available by calling (800) 643-2386.

Only here there are no trail guides and the fool may well vanish into his folly.

"I heard that you hired them as trail guides."

"The trail guides seemed to think it was a mistake too."

Some trail guides are just that; they tell you how to get to a trail and stay on it.