Some were cave baches, with Whare Moki being considered the oldest surviving example in NZ. The housing ranges from cliff top mansions to rambling and somewhat run down baches. The remaining settlement consists mostly of holiday houses and baches. The settlement is mostly composed of baches or New Zealand holiday homes. The town comprises mainly small wooden houses, called baches. However, large expensive holiday homes are also less commonly called baches. Baches (small holiday houses) were built around the island's edge in the 1920s and 1930s. Later holiday baches were added in the 1920s. It also has a large number of baches or holiday homes. There are many baches around the reservoir. Walking access is via Pilgrims Way along the baches of Boulder Bay. These baches are not made available to the public. Some figures estimate that more than 50,000 baches exist around New Zealand (population million people). Baches are an iconic part of the country's history and culture.