Experience and equipment
Ball Pass Crossing is a route only, not a marked track. Anyone contemplating this trip must have excellent route-finding ability in steep alpine terrain, be experienced in snow travel and the use of crampons and ice-axe. You need to be fit and capable of tramping for up to 9 hours, carrying a pack in difficult conditions.
Parties should carry rope and be familiar with its use, as a fixed belay may be necessary. Climbers need to wear sturdy boots, carry camping gear and clothing for all weathers and be prepared to camp out in all weathers.
Difficult snow conditions can be encountered at any time of the year. There is a danger of rock fall and avalanche as well as several bluff regions needing careful negotiation.
In summer water should be carried.
Alpine scree wetas are found at altitudes of more than 1200 metres in Aoraki/Mount Cook National Park.
Guides
If you doubt your ability to complete this crossing, you should consider hiring a guide. Most companies licensed to guide in Aoraki/Mount Cook National Park will guide parties over the pass. Alpine Recreation Ltd own Caroline Hut and run guided trips over the summer season (November–May). Climbing equipment and accommodation at Caroline Hut are provided.
Seasons
Ball Pass is best attempted between the months of December to March. Snow cover limits travel outside this season, and avalanches can occur at any time of the year.
Intentions
All parties should sign in at the Aoraki/Mt Cook Visitor Centre before departing. If you intend staying at Ball Hut, you will be required to pay for this before setting out. Make sure you sign out at the end of the trip so that park staff know you are safely back. This will avoid unnecessary searches.
Avalanches
Avalanches can occur in Aoraki/Mount Cook National Park in any season. Find out about avalanche danger in Aoraki/Mount Cook.