Pix4Japan

2024-09-11

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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Google Maps: Oshidori Kakushi Falls (おしどり隠しの滝)

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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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Mishaka-Ike Pond Reflections

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Embraced by Deep Green and Silence

「深い緑と静寂に包まれて」

(Fukai Midori to Seijaku ni Tsutsumarete)

Location: Chino, Nagano Prefecture, Japan
Timestamp: 06:03・2024/09/11
Pentax K-1 II + DFA 28-105mm F3.5-5.6 + CP
73 mm ISO 100 for 0.4 sec. at ƒ/9.0

Nestled in the woodlands near the rural town of Chino in Nagano Prefecture, Japan, Mishaka-Ike Pond rewards early visitors with a mesmerizing scene. Arrive before sunrise, and you might witness the pond's surface transform into a flawless mirror, reflecting the surrounding trees in breathtaking clarity—provided the air is calm, undisturbed by wind or ripples.

Located approximately 197 km (122 mi) northwest of Tokyo, the pond is a 2- to 3-hour drive from central Tokyo via the Chuo Expressway, depending on traffic. My journey took about 3 hours, as I made several stops to let my border collie stretch her legs and avoid getting too carsick.

Though it appears as a natural gem, Mishaka-Ike is actually a small reservoir, originally constructed for local agriculture. At an elevation of 1,500 meters (around 4,900 feet), it gained wider recognition for inspiring the famous painting “Midori Hibiku” (緑響く), or "Green Echo,” created by the celebrated artist Kaii Higashiyama in 1982.

In Higashiyama's painting, a white horse strides along the shoreline, moving from right to left, framed by the serene reflections of the forest. The cool tones and tranquil atmosphere he captured are remarkably similar to the scene that greeted me as I stood by the pond that morning. I imagine Higashiyama himself must have observed the pond during a similar summer morning in the blue hour to capture the soft, ethereal colors in his work.

You can view a small image of Higashiyama's painting, along with more from his collection, by visiting the Nagano Prefectural Art Museum's website (linked below).