2024-09-11

Tateshina-Genseirin Primeval Forest

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  • Location: Chino, Nagano Prefecture, Japan
  • Timestamp: 09:01・2024/09/11
  • Fujifilm X100V with 5% diffusion filter
  • ISO 2500 for 1/250 sec. at ƒ/2.0
  • Provia/Standard film simulation

A Photowalk Through Time: The Untouched Wilderness of Tateshina-Genseirin
蓼科原生林で楽しむフォトウォーク: 長野の自然を探る


The Tateshina-Genseirin Primeval Forest is a small preserve of old-growth trees stretching about 12 km (7.46 mi) along the shoreline of the Takinoyu River, which flows from the nearby Tateshina-Otaki Falls.

This ancient forest is home to towering trees, their twisted shapes and immense age inspiring quiet reflection. Many of these trees have adapted to grow around large volcanic boulders, their contorted trunks and roots clinging to the rugged stones. These adaptations are a response to the forest's natural challenges, such as typhoon winds, heavy snowfall, and a thin layer of topsoil. Together, these elements form a living testament to the forest's untouched nature and geological history.

The woodland is rich with deciduous trees and ferns, which, combined with its high elevation, help maintain cooler temperatures even in summer. This coolness creates ideal conditions for the growth of ferns, fungi, and moss, adding to the forest's vibrant diversity.

Japan's forest area covers 25.05 million hectares (61.9 million acres), accounting for 68.5% of the country’s total land. However, human impact on forests—through logging, firewood collection, and charcoal production—began as early as 9,000 BCE. As a result, less than 4% of Japan’s forests remain untouched as primeval forest. The Tateshina-Genseirin Primeval Forest is one of these rare treasures, a place to be cherished and preserved for future generations.

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Download a licensed digital photo: pix4japan.picfair.com
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  • Location: Chino, Nagano Prefecture, Japan
  • Timestamp: 09:06・2024/09/11
  • Fujifilm X100V with 5% diffusion filter
  • ISO 1000 for 1/250 sec. at ƒ/2.0
  • Provia/Standard film simulation
Nestled within the heart of Nagano Prefecture, the Tateshina-Genseirin Forest reveals unique scenes of primeval life. Ancient trees twist and curve around volcanic boulders, their roots gripping onto moss-covered stones with quiet determination. This virgin landscape has remained largely untouched for millennia, allowing the forest to thrive in its wild, unspoiled beauty.

In this photo, you can see the interplay of life and stone—a magnificent tree growing in harmony with the terrain, sculpted by the forces of nature, revealing its remarkable resilience. Walking through this forest felt like stepping back in time, where the air was crisp, and the ground was soft beneath my feet, inviting moments of peace and reflection.


Download a licensed digital photo: pix4japan.picfair.com
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  • Location: Chino, Nagano Prefecture, Japan
  • Timestamp: 09:01・2024/09/11
  • Fujifilm X100V with 5% diffusion filter
  • ISO 1000 for 1/250 sec. at ƒ/2.0
  • Provia/Standard film simulation

  • Located in the heart of Nagano Prefecture, just a 3- to 4-hour drive from Tokyo, the Tateshina-Genseirin Primeval Forest is a living testament to nature’s resilience. Some of the ancient trees, wrapped with thick vines, twist and bend around volcanic boulders, their roots gripping moss-covered stones. These roots spread across the thin layer of topsoil, which rests atop an ancient lava flow. Untouched for millennia, this virgin forest thrives in wild, unspoiled beauty, a reflection of nature's enduring strength when it remains free of mankind’s interference.

    In this photo, a sugi tree (Japanese cedar) stands with two main trunks, one of which twists sharply to the left—likely the result of heavy snow, typhoon winds, or even a previous toppling due to the shallow topsoil over the lava flow. Despite these forces, the trunk eventually straightened and reached skyward, its thick and strong form a testament to its persistence. To me, this serves as a metaphor: even when life’s challenges or setbacks cause us to veer off course, with patience and resilience, we too can find our way back, growing stronger and rising toward the light despite our imperfections.
    In this photo, you can see the interplay of life and stone—a magnificent tree growing in harmony with the terrain, sculpted by the forces of nature, revealing its remarkable resilience. Walking through this forest felt like stepping back in time, where the air was crisp, and the ground was soft beneath my feet, inviting moments of peace and reflection.


    Download a licensed digital photo: pix4japan.picfair.com
    Order a print: pix4japan.smugmug.com

  • Location: Chino, Nagano Prefecture, Japan
  • Timestamp: 09:01・2024/09/11
  • Fujifilm X100V with 5% diffusion filter
  • ISO 3200 for 1/40 sec. at ƒ/2.0
  • Provia/Standard film simulation

  • The Tateshina-Genseirin Primeval Forest is home to ancient trees that twist and curve around volcanic boulders, forming surreal, natural sculptures. Wrapped in thick bark and moss, these trees create shapes only possible in an untouched forest, free from human interference. In this close-up shot, I removed the broader context to focus on the intricate contrast of textures, from the weathered wood to the moss-covered stone, highlighting the interplay of colors and the calming, yet rugged mood of the scene.

    A close-up of an ancient Japanese sugi tree with weathered, twisted bark resting against a large volcanic boulder. The upper half of the image features the rugged, textured bark, while the lower half shows the smooth surface of the boulder, accented with patches of green moss and subtle cracks.

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    © 2011-2024 Pix4Japan. All rights reserved.
    Unauthorized use for AI training is strictly prohibited.
    Visit www.pix4japan.com for prints and licensed download options.



    Akiakane Dragonfly

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    Fauna of Mishaka-Ike Pond: Akiakane Dragonfly
    「秋の季の赤蜻蛉に定まりぬ」

    • Location: Chino, Nagano Prefecture, Japan
    • Timestamp: 08:06・2024/09/11
    • Fujifilm X100V with 5% diffusion filter
    • ISO 320 for 1/900 sec. at ƒ/3.6
    • Velvia/Vivid film simulation

    While wrapping up my photo walk along the shore of Mishaka-Ike Pond in Nagano Prefecture, Japan, I came across several akiakane dragonflies (Sympetrum frequens), also known as Autumn darters, perched atop the barrier fence posts lining the northern shoreline of the pond.

    The Autumn darter is a species endemic to Japan. These dragonflies migrate to high mountains, where they feed, before descending to lower-altitude bodies of water like ponds or rice fields to breed.

    In Japan, akiakane dragonflies are often associated with the arrival of autumn. One well-known haiku by Kaya Shirao (加舎白雄, 1738–1791) even references the dragonfly:

    秋の季の (aki no ki no)
    赤蜻蛉に (aka tonbo-u ni)
    定まりぬ (sadamirinu)

    The start of autumn
    Is always decided by
    The red dragonfly.

    Dragonflies also symbolize courage, strength, and happiness in Japanese culture. Personally, I love how different species of dragonflies display vivid colors and patterns, from reds and blues to greens. I especially admire their flight and their distinctive double set of wings.

    The dragonfly in my photo appeared to be drinking dew droplets that had collected on the post. This might explain why it didn’t fly away, unlike many of the others I tried to photograph earlier.

    Getting close enough to this dragonfly without disturbing it was challenging. The fixed lens on my camera didn’t allow me to zoom in, so I had to move in physically. Naturally, this is a cropped image—the actual distance from the dragonfly was about half an arm’s length.

    The iconic akiakane dragonfly uses flooded rice paddies during the nymph stage of its lifecycle. Unfortunately, as of 2020, broad-spectrum pesticides, including neonicotinoids, are still used in rice farming in Japan. These chemicals, though banned in some other countries, are toxic to dragonflies and other aquatic life in ponds, lakes, and streams where agricultural runoff accumulates.

    The fact that I saw so many akiakane around this pond may indicate that local rice paddies are not heavily reliant on such pesticides. If so, it’s a positive sign for the area's ecosystem.

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    Mishaka-Ike Pond Sunrise

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    Touched by the Warmth of Dawn’s Light
    「朝日のぬくもりにそっと包まれた湖面、優しい光が水面に映る瞬間をどうぞご覧ください。」

    • Location: Chino, Nagano Prefecture, Japan
    • Timestamp: 08:04・2024/09/11
    • Fujifilm X100V with 5% diffusion filter
    • ISO 320 for 1/550 sec. at ƒ/2.8
    • Provia/Standard film simulation

    Earlier, I captured photos of Mishaka-Ike Pond during blue hour, right before my border collie and I ventured off to explore the nearby waterfalls. A couple of hours later, we returned, curious to see how the golden morning light would transform the scene.

    Unlike the stillness of dawn, when the pond's surface was as smooth as glass, the air now stirred slightly, creating soft ripples that broke the mirror-like reflections of the surrounding woodlands. The scene had shifted from the cool tones of blue, teal, and turquoise to warmer hues of golden lime, olive, and yellow—an entirely different palette.

    Though the reflections weren't as crisp as earlier, I believe first-time visitors would still be delighted by the beauty of the pond and eager to capture its charm for their social media posts if they arrived after sunrise.

    Located about 197 km (122 miles) northwest of Tokyo, the pond is a 2- to 3-hour drive via the Chuo Expressway, depending on traffic. Despite its natural appearance, the pond is actually a man-made reservoir, constructed for local farmers. Today, it draws many visitors, with public restrooms conveniently located across the street and two parking lots—one for tour buses and another for private cars.

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    Border Collie at Falls

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    Trusty Exploring Companion by the Shibu River’s Edge
    渋川のほとりで休む頼れる探検パートナー

    • Location: Chino, Nagano Prefecture, Japan
    • Timestamp: 07:16・2024/09/11
    • Fujifilm X100V with 5% diffusion filter
    • ISO 2000 for 1/250 sec. at ƒ/2.8
    • Provia/Standard film simulation

    I wrapped up my photo shoot of the Oshidori-Kakushi Falls, tucked away in the upper reaches of the Shibu River, with this serene shot of Dale-chan, my loyal border collie, as she took a much-needed rest after navigating the rocky shoreline.

    This peaceful waterfall, embraced by the verdant greenery of Yokoya Gorge in Nagano Prefecture, Japan, provided us both with a refreshing retreat from the constant buzz of life in the Tokyo metropolitan area, a moment of calm amid nature’s embrace.

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    Rust Red Patina and Chatsubomi Moss

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    Rust Red Patina and Chatsubomi Moss of Oshidori-Kakushi Falls
    錆びた石とチャツボミゴケ・おしどり隠しの滝

    • Location: Chino, Nagano Prefecture, Japan
    • Timestamp: 06:49・2024/09/11
    • Pentax K-1 II + DFA 28-105mm F3.5-5.6 + CP
    • 28 mm ISO 100 for 1/4 sec. at ƒ/11

    Overlooking the upper reaches of the Shibu River, this tranquil waterfall is embraced by the lush greenery of Yokoya Gorge in Nagano Prefecture, Japan, offering visitors a connection to both nature and history.

    Yokoya Gorge, known by locals as the "Iron Valley," has long been revered for its mineral-rich springs. The waters that flow through the gorge contain high levels of iron carbonate, which oxidize upon contact with air, tinting the rocky riverbeds with a distinct reddish-brown hue. This rust-colored patina reflects on the valley’s long geological history, a history that locals and travelers have admired for generations.

    Adding to its beauty, the gorge is home to acidic hot springs, which give life to a unique species of moss known as chatsubomi. This velvety moss thrives in the gorge’s harsh, acidic waters, carpeting the rocks and riverbed in a lush, emerald green. The juxtaposition of the moss against the reddish rocks creates a scene that is both intriguing and vibrant.

    For over a century, the nearby Meiji Onsen Ryokan has welcomed travelers seeking both healing and rest. Many of these guests, after a long day of bathing in the rejuvenating hot springs, would wander down to the falls, marveling at the beauty that remains unchanged despite the passage of time.

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    Oshidori-Kakushi Falls: View from Meiji Onsen

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    Oshidori-Kakushi Falls: A View from Meiji Onsen
    「鴛鴦隠し滝」と「山の宿 明治温泉」の風景

    • Location: Chino, Nagano Prefecture, Japan
    • Timestamp: 06:49・2024/09/11
    • Pentax K-1 II + DFA 28-105mm F3.5-5.6 + CP
    • 28 mm ISO 100 for 1/4 sec. at ƒ/11

    Meiji Onsen Ryokan (featured in the upper right of the photo) is a traditional Japanese inn, steeped in 136 years of rich history.

    Nestled beside the Shibu River, the ryokan overlooks a picturesque, multi-tiered, Oshidori-Kakushi Falls that gracefully cascade over moss-covered boulders. These rocks are tinged red from the mineral-rich, acidic waters flowing from the inn’s natural hot springs, creating a striking contrast with the lush greenery that surrounds the area.

    Although Meiji Onsen officially opened its doors in 1888, the hot springs have been in use since the mid-1800s, initially providing relief to local farmers from nearby villages. Over the years, the restorative properties of the springs have attracted visitors seeking relief from fatigue and various ailments, such as neuralgia, rheumatism, and poor blood circulation.

    The hot springs that feed the ryokan are classified as ferruginous springs, rich in iron carbonate. When exposed to oxygen, this iron turns a deep reddish-brown, giving the rocks downstream their unique rust-like hue—a testament to the springs' mineral content and natural beauty.

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    Oshidori-Kakushi Falls

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    Cool Mists and Mossy Falls: Summer Magic at Oshidori-Kakushi Falls
    横谷渓谷の多段滝:鴛鴦隠し滝
    (Yokoya Keikoku no Tadan Taki: Oshidori-Kakushi Taki)

    • Location: Chino, Nagano Prefecture, Japan
    • Timestamp: 06:41・2024/09/11
    • Pentax K-1 II + DFA 28-105mm F3.5-5.6 + CP
    • 37 mm ISO 100 for 0.6 sec. at ƒ/11

    Situated at an altitude of 1,510 meters in Nagano Prefecture, Japan, Oshidori-Kakushi Falls grace the upper reaches of the Shibu River as it winds through the scenic Yokoya Gorge.

    Conveniently located just below the historic Meiji Onsen Ryokan, the falls are only a short 10-minute walk from the nearby Mishaka-Ike Pond parking lot, making it a perfect addition to a day of exploration. From the Tokyo metro area, access to this natural gem is less than a four-hour drive, making it an ideal retreat for those looking to escape the city.

    The falls are celebrated for their captivating landscape, where vibrant moss blankets the rocks, thriving alongside lush foliage. This greenery contrasts beautifully with the reddish hue of the earth, colored by the mineral-rich, acidic waters flowing from nearby hot springs.

    In summer, Oshidori-Kakushi Falls unveil a stunning palette of greens, blues, and azure, while autumn transforms the scenery into a brilliant display of reds, oranges, and yellows. For those seeking a peaceful and cool retreat during the summer heat, arriving just before sunrise offers not only a cooler temperature but also a refreshing mist that fills the air, creating a rejuvenating experience for all who visit.  

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    © 2011-2024 Pix4Japan. All rights reserved.
    Unauthorized use for AI training is strictly prohibited.
    Visit www.pix4japan.com for prints and licensed download options.