All this time we were continually ascending at the rate of about one hundred feet every ten miles. Indeed the country was on a slope which appeared to terminate at a mass of snow-tipped mountains, for which we were steering, and where we learnt the second lake of which the wanderer had spoken as the lake without a bottom was situated. At length we arrived there, and, having ascertained that there was a large lake on top of the mountains, ascended three thousand feet more till we came to a precipitous cliff or edge, to find a great sheet of water some twenty miles square lying fifteen hundred feet below us, and evidently occupying an extinct volcanic crater or craters of vast extent. Perceiving villages on the border of this lake, we descended with great difficulty through forests of pine t
