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|From the Dingle Burn||1||
From the Dingle Burn Valley near the historic Ben Avon Hut, follow up the obvious tree line on the north side of the side stream on the true right of the Dingle Burn. Gain height to about 1200m. Continue to sidle along the hill towards the basin until you get bluffed out. There is a slip near here you can drop down into the river below fairly easy. Head up the river for a few hundred meters to enter the basin. Following the creek on the way in/out will see you stuck in a small canyon. From the basin head up the obvious slopes leading to Mt Arnold. Easy way up summit rocks is from the saddle on the North Side.
First Ascent Unknown but climbed by Jeremy Smit, April 2012
Mount Arnold borders Lake Hawea and the Dingle Burn Valley.