Mueller Hut + Mt Ollivier via Sealy Tarns (Aoraki / Mount Cook National Park, New Zealand) Jim Brisbine·December 19, 2015Trip Date: December 18-19, 2015 2015 NEW ZEALAND ADVENTURE VACATION Mt. Ollivier Hiking & Scrambling Trip Sealy TarnsMueller...Family TripsNew ZealandMt Ollivier (NZ)·34 views