Is Abel Tasman worth the detour?
Abel Tasman is worth it if you want gentler coastal walking, beaches and a different South Island mood. It becomes awkward when squeezed into an already overfull alpine loop.
Answer
Abel Tasman is not the South Island’s most dramatic landscape, and that is part of its appeal. It gives golden beaches, clear water, coastal walking and a softer rhythm after days of mountains and long roads. It works especially well when the route already includes Nelson or the upper South Island. The problem is distance. Adding Abel Tasman to a trip built around Queenstown, Fiordland and Aoraki/Mount Cook can pull the map wide for a gentler payoff than some travellers expect. Choose it when you want coastal time, kayaking or easier walking. Skip it when the route is already begging for fewer kilometres.