“Because it is the king of the rivers in these parts.”

“Does the fountain come out of a rock?”

“It does not; it comes out of a lake, a llyn.”

“Where is the llyn?”

“Over that crag at the foot of Aran Vawr.”

“Is it a large lake?”

“It is not; it is small.”

“Deep?”

“Very.”

“Strange things in it?”