Kollóttadyngja

Kollóttadyngja is a volcano in Iceland. Situated in the Ódáðahraun lava-field, its height reaches 1,177 metres, with a diameter of 6 -7 kilometers. The summit crater is 800 meters in diameter, but only about 20 -30 meters deep, and in its center, there is a bowl of about 150 meters in diameter, with a depth of about 60-70 meters.