The trapper shook his head slowly.

“That ain’t so!” he declared. “Ye’ll find that ye’re in a level valley with hills all around ye when ye get in there.”

Frank gazed long and critically at the point in question.

“And you say that Mason and his gang are located there?”

“The best I kin make out.”

“All right,” declared Frank. “We’ll soon find out what kind of a place it is.”

The Steam Horse now was sent forward rapidly.

Beaver Bill’s pony seemed to be getting exhausted.

It was now a question as to what to do. But the trapper solved the question.

“I’ll tell ye what to do,” he declared. “Ye know the way to Satan’s Hole now. Ye kin let me out yer an’ I’ll rest my pony up and be along up ter-morrer.”