Mount Inunaki

Mount Inunaki, or Inunaki-san, rises in the hills above Izumisano City in southern Osaka, only a short journey inland from Kansai International Airport, yet it feels a world away from the runways and terminals. This is a sacred mountain of deep forest, tumbling waterfalls and mountain temples, long revered by practitioners of Shugendo, the ascetic tradition that blends Buddhism, Shinto and mountain worship. For hikers and travellers seeking a spiritual, scenic escape, it is one of the most atmospheric nature spots in the prefecture.

The heart of the area is Inunakisan Shipporyuji, a mountain temple said to have been founded well over a thousand years ago and still an active centre of mountain asceticism. Its halls and pagodas are scattered up the forested slope, connected by stone steps and paths that wind beneath towering cedars. The temple is the traditional starting point for the mountain's most famous experience, the practice of takigyo, or waterfall meditation, in which practitioners stand beneath the icy cascades to purify body and mind. Visitors can watch, and on organised programmes even try, this striking ritual.

The trails follow a beautiful valley threaded with streams and waterfalls, and the constant sound of running water is the defining feature of a walk here. The paths pass a series of small shrines, statues and sacred spots, each with its own legend, and the dense canopy keeps the valley cool and green even in summer. The hiking is moderate, with steps and forest tracks rather than technical climbing, and you can tailor your route from a gentle temple stroll to a longer loop up toward the higher slopes. While Inunaki is more about the immersive valley and forest than a single grand panorama, the higher paths open to leafy views over the ridgelines, and the whole experience is one of walking through a living sacred landscape.

Autumn is the standout season, when the maples and broadleaf trees along the valley turn brilliant shades of red and orange, reflected in the streams and framing the temple buildings; late November is usually the peak. Spring brings fresh green and blossom, and the cool valley is a welcome refuge in the summer heat. Birdsong, moss-covered rocks and the rush of the waterfalls make it a restorative place in any season.

One of Inunaki's great advantages is what waits at the bottom: the Inunaki Onsen hot springs. After a few hours on the trails, soaking tired legs in an open-air bath with views of the surrounding hills is the perfect reward, and it makes the mountain an easy, satisfying day trip. The area is also promoted as a wellness destination, pairing hiking and waterfall practice with hot springs and local food.

Access is convenient given how wild the mountain feels. Ride the Nankai Main Line to Izumisano Station, then take a bus roughly 35 minutes toward Inunakiyama, following the valley up to the temple and trailheads. Wear good shoes for the damp stone steps, bring water, and consider timing your visit for autumn. Sacred, green and refreshingly uncrowded, Mount Inunaki is a reminder that some of Osaka's most peaceful corners lie just beyond the city's edge.