By car: Coming from Wenns drive until Mittelberg and park at the Pitztaler Gletscherbahn.
By bus: Use the bus till the bus stop Mittelberg Wendestelle.
Park at the Pitztaler Gletscherbahn.
Go up with backcountry skis towards the Braunschweiger hut along the Notweg. Alternatively, you can take up the Gletscherexpress and then descend 1h via the Notweg.
Via the Icefall with Ablakov thread.