This route climbs Blaster (5 pitches, WI4), and then continues up through the rock to the top of the Thunderdome. Start on the far right side of the wide gully and climb 35 meters of steep blue ice (WI4). You could avoid the steep line by climbing up the center or left side of the gully, but the ice quality isn’t as good.

From the top of the steep ice, cruise up 2 pitches of easy WI2 terrain. Aim for the steep ice pouring in from the left side. Pitch 4 starts up this steep step, then continues up easy ice to a snow slope above.

The final pitch of Blaster climbs more WI4 to the top of the ice at the base of the obvious chimney above. Next follow the WI4 runnel up the obvious slot. You will be at a vertical rock section with a chimney on the left and a corner on the right. Climb engaging terrain up the corner.

From the top, follow the obvious ice and snow gully for 3-4 pitches which takes a plumb line to the top of the Thunderdome.

From the lake, the obvious blue ice halfway up Thunderdome is Master Blaster, followed by the huge corner system above. The route starts a short walk from the south end of the lake.

Screws, 1 set cams to #2 BD, 1 set of nuts, 4 KBs, 3 LAs, 1 baby angle, and 2 BD peckers.