Tourist numbers drop at New Zealand walking tracks Tourist numbers drop at New Zealand walking tracks Thu, 31 Dec 2020, 3:36PM Visitor numbers are down 52 per cent for the Hooker Valley Track in the Aoraki National Park. Photo / 123RF Tourist numbers drop at New Zealand walking tracks Thu, 31 Dec 2020, 3:36PM Some of New Zealand's most popular walking tracks have had a huge decline in visitor numbers. Data from the Department of Conservation compared visitor numbers over September and October this year to the same time last year. Milford Sound was down 72 per cent, Franz Josef Glacier down 66 per cent and Hooker Valley Track down 52 per cent.