Cader Idris is not the very highest mountain, at 892 meters high - but it starts from near sea level, and it offers a truly breathtaking panorama of the southern part of Snowdonia. The highest peak of the Cader Idris ridge is called Pen-y-Gader; you can find a small shelter near the highest point. On both sides of the ridge are beautiful lakes, each surrounded by steep rock cliffs. You can swim in them, although you need a cast-iron constitution to do so!
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