"Yes, sir," said Rollo.
"Well, this mountain," continued Mr. Holiday, "is full of water. All mountains are full of water, for it rains on the summits and sides of them almost continually, and this keeps them always full. Generally this water drains off down into the valleys, through the beds of sand and gravel that lie in the heart of the mountain, and so is not particularly observed. Sometimes it breaks out in small springs, at various places on the mountain sides; and sometimes the shape of the rocks and openings in the mountain are such as to collect a great quantity of it in one place, where it breaks out into the open ground altogether, as it does here. There are a great many such fountains in Switzerland."
"Are there any larger than this?" asked Rollo.
"Yes," said Mr. Holiday, "ten times as large. Sometimes the water forms quite a little river almost immediately after it comes out of the ground."
"I should like to see them," said Rollo.
"Very likely you will see some of them," said his father.
"But then, father," said Rollo, "if this water all comes from the rain, I should think that when it stops raining on the mountain above, then or soon afterwards the water would stop boiling up here."
"No," said his father; "the mountain is so large, and the immense beds of sand, gravel, and rock which it contains hold so much water, that before all that has fallen in one rain has time to get drained away, another rain comes, and so there is a perpetual supply, especially for such fountains as come from channels that reach far into the mountain."
After rambling about this spot for some time, the party returned down the path; but instead of going back into the road again by the way they came, the boy led them through a gate into the grounds of the hotel which they had seen in coming.
The grounds were very beautiful, being shaded with trees, and full of walks; and the stream which came down the glen spread itself out in various directions all over them, filling a great number of channels and basins which had been opened here and there, and were seen in every direction among the trees and foliage. The water flowed very swiftly along from one of these basins to another, sometimes in a continuous torrent, and sometimes by a series of cascades and waterfalls; and in the bottoms of all the little ponds the water was seen boiling up in the clean gray sand, just as it had done in the fountain up the glen.