It isn't dark-there are openings to the top, and lots of funny, winding passages.

That," she finished thrillingly, "is the place the Indians claim is haunted." Bud did not shudder convincingly, and they rode slowly forward, picking their way among the rocks.

The cave yawned wide open to the sun, which hung on the top of Catrock Peak.

They dismounted, anchored the reins with rocks and went inside.
When Bud had been investigative Buddy, he had explored more caves than he could count.

He had filched candles from his mother and had crept back and back until the candle flame flickered warning that he was nearing the "damps" Indians always did believe caves were haunted, probably because they did not understand the "damps", and thought evil spirits had taken those who went in and never returned.