Located in Shirahama, Wakayama, this onsen embedded in the rocks off the coastline of Shirahama claims to be the oldest onsen in Japan. While it might be a little awkward to take your clothes off in the changing area partially open to the car park, once you are in the hot spring then all of your inhibitions will disappear. Overlooking the ocean as the waves come crashing into the bath somehow feels empowering as the power of nature takes hold of you. This is most definitely a unique natural power spot for those who love to spend their time at hot springs.

Mount Koya is famous for its religious significance in the area. The temples and the surrounding nature blend together in perfect harmony, providing a powerful and a spiritual atmosphere for all visitors. Temple stays are also common for visitors to take time in order to fully appreciate the peaceful environment around the temples. Mount Koya can get quite busy during peak season but try to go off the beaten path to take in the natural ambiance of the place.

Located just north of Himeji, Mount Shosha and Engyoji Temple, hidden within the forest, are great places to reenergize your spiritual well-being. The nearby views are enchanting as the ancient temple blends well with the natural surroundings. This was also the location for the historical movie The Last Samurai starring Tom Cruise due to the untouched historical illusion of the place.

Dubbed as one of the most dangerous hiking routes around Lake Biwa, this hiking gem can be accessed by JR from Osaka and Kyoto stations. The hiking route takes you up seven waterfalls and can be physically challenging. However, the adrenaline pumping through your body as you take on the waterfalls combined with the fresh natural air and surroundings provide a fantastic natural power spot for any hiking lovers out there.

Starting from the Wakayama Prefecture, the Kumano Kodo Pilgrimage is the top natural power spot of Kansai. Designated as one of only two pilgrimages to be recognized by UNESCO as a World Heritage property (listed as "Sacred Sites and Pilgrimage Routes in the Kii Mountain Range"), this extensive hike through the mountains is a rite of passage for Buddhists in Japan. Getting lost in the moss-covered forests and reaching clearings amongst the mountains in the area make this area an incredibly spiritual power spot.