Gokayama Ainokura Gassho-zukuri Village

Ainokura is a hamlet of gassho-zukuri thatched farmhouses in the Gokayama district of Nanto, Toyama, and one of the components of the UNESCO World Heritage Site 'Historic Villages of Shirakawa-go and Gokayama,' inscribed in 1995. Around twenty gassho houses survive in the village, several dating to the eighteenth and nineteenth centuries, built with steeply pitched thatched roofs -- often exceeding 45-60 degrees -- engineered without nails to shed the region's heavy winter snowfall and to maximize loft space for silkworm rearing, historically the valley's main cash economy alongside gunpowder-ingredient (saltpeter) production, an industry unique to the isolated Gokayama valleys during the Edo period. The steep A-frame trusses (gassho, meaning 'hands in prayer') are lashed together with straw rope rather than nails, allowing sections of roof to be dismantled and rethatched by the community in periodic collective labor. Several houses remain private residences; others, such as the Nakaya-ke, are open as small museums furnished with period tools, looms, and silk-farming equipment illustrating daily life in the isolated mountain settlement before road access connected it to the rest of Toyama in the twentieth century. The village's curatorial approach is essentially a living open-air one: visitors walk the unpaved lanes among lived-in and museum houses rather than following a formal exhibition sequence. Roof rethatching, still carried out by hand roughly every 20-30 years, and ongoing fire-prevention measures, including a visible sprinkler system across the village, reflect active, community-led preservation rather than a frozen museum piece.