368 CELEBES. [chap. xvi. 



in the water, for a few hundred yards, after which the 

 rocks recede a little, and leave a wooded bank on one 

 side, along which the path is continued, till in about 

 half a mile a second and smaller fall is reached. Here 

 the river seems to issue from a cavern, the rocks having 

 fallen from above so as to block up the channel and bar 

 further progress. The fall itself can only be reached by 

 a path which ascends behind a huge slice of rock which 

 has partly fallen away from the mountain, leaving a space 

 two or three feet wide, but disclosing a dark chasm de- 

 scending into the bowels of the mountain, and which, 

 having visited several such, I had no great curiosity to 

 explore. 



Crossing the stream a little below the upper fall, the 

 path ascends a steep slope for about five hundred feet, 

 and passing through a gap enters a narrow valley, shut 

 in by walls of rock absolutely perpendicular and of great 

 height. Half a mile further this valley turns abruptly to 

 the right, and becomes a mere rift in the mountain. This 

 extends another half mile, the walls gradually approaching 

 till they are only two feet apart, and the bottom rising 

 steeply to a pass which leads probably into another valley, 

 bixt which I had no time to explore. Eeturning to where 

 this rift had begun, the main path turns up to the left 

 in a sort of gully, and reaches a summit over which a 

 fine natural arch of rock passes at a height of about fifty 



