Scenic And Serene. Celebrate Your Love With A Cruise Along The Biwako Sousui Canal.
Innovative, ambitious, and enduring. The Biwako Canal has carried water through the mountains from Japan’s largest lake to Kyoto since 1890. A triumph of engineering, the story of its creation exemplifies how persistence can lead to unforeseen positive outcomes. Like any long lasting relationship, the canal was built on vision, persistence, and a bit of risk.
Open only in spring and fall, the Biwako Sosui Canal Cruise offers a romantic backdrop at the year’s most photogenic moments, enriched by stories from the past.
Location:
From Kyoto or Otsu.
Time:
Spring and fall.
Good for:
- History buffs
- Scenic explorers
- Photographers
Quick points:
- Accessible by public transportation
- Combine with a trip to Lake Biwa and Otsu
- Needs advanced booking online (the site is in Japanese, but easily navigated with browser translation tools).
Starting The Journey
Spend some time on the shores of Japan’s largest lake, Biwako.
The Biwako Canal cruise runs in both directions, so intrepid explorers can choose to depart from either Kyoto or Otsu. In either case, couples can choose to spend a little time exploring around Hamaotsu, its port and Nagisa park. This scenic waterfront area, which looks out over Japan’s largest lake, Lake Biwa, is the starting point of its many ferry cruise options.
There are few food options here, but this offers the charming opportunity of packing a picnic lunch (or visiting the nearby convenience store for a bento), finding a nice shady tree to sit under, and enjoying people watching as a classic American paddleboat steamer passes. But, guard your food closely – the local black kites (birds of prey) circle the station roofs and are famously adept at swooping down to steal snacks right out of open hands!
Delightfully anachronistic, and another potential boat-based romantic date option, the Michigan paddleboat steamer sets off on a lake cruise from Hamaotsu port.
Though from a more recent time than the Michigan, the Tozai line switches from the subway, while in Kyoto, to the tram line in Otsu. Passengers can enjoy a retro shift without even changing their seats.
Travel Through History
The only inscription to be found inside the tunnels themselves, the kanji 寶祚無窮 means “The imperial reign is eternal” and reflects the patriotic feelings of the Meiji era.
Japanese society underwent seismic shifts during the late 1800s. As the feudal Tokugawa era came to a close, the Emperor moved the capital from Kyoto to Tokyo (renaming the city of Edo in the process). Bereft of its historic identity and political purpose, Kyoto began to wither. Increasingly abandoned as citizens and businesses moved away to the new capital, the local governor embarked on a bold plan to bring Lake Biwa’s waters to Kyoto, hoping to revive the city.
Water running uphill: a slight rise of 4 metres from the lake to the city was one of the more difficult engineering tasks to overcome.
It was entrusted to one of the fresh faces of this new era, a 21 year old graduate called Sakuro Tanabe, to bring the project to fruition. And at its final stage, it was he who championed building a hydro-electric plant at the terminus rather than waterwheels along the route.
Thanks to his vision, Kyoto gained electric street lights and the country’s first tramline. One of these early wooden trams, the N-Den, was beautifully restored in early 2026, and is now displayed outside Heian shrine – itself a Meiji era addition to the city.
A Precious Hour Together
Ride through a tunnel of vibrant green in early spring.
After arriving at the boat boarding point, participants receive a safety briefing and watch a short documentary (subtitled in English) on the history of building the waterway. A loquacious and knowledgeable guide then leads the way down to the boats themselves, and orchestrates the embarkation process. With seats lining the edges of the boat facing outwards, everyone gets an unobstructed view of the scenery.
With a limit of 12 passengers per trip, this is a more intimate experience than most boat cruises.
Almost immediately, the vessel slips into the first of three tunnels. It is the longest, stretching 2,436 meters. Inside, the air temperature drops to a crisp chill. The hum of the boat’s motor echoes off the hand-laid brick walls, creating an atmosphere that feels separate from the modern world. Though dark, the lights from the boat paired with the guide’s lively storytelling keep it from feeling spooky. Instead, couples will find a cozy comfort in the dimness, not unlike sharing the back row of a classic movie theatre.
Cutting directly through the mountains between Otsu and Kyoto, this tunnel takes about 20 minutes to traverse.
Exiting safely from the other side to an explosion of green and life.
The cruise meanders along the canals, beneath maple trees and alongside paths from which children and hikers wave. For active couples who would like to augment this adventure, the walkways that run along the canals are free and easily accessible from Yamashina station. During autumn, the stone steps of Bishamondo Temple are covered in a vibrant carpet of red leaves, offering the ultimate backdrop for romance.
Those coming from Otsu will finish their journey at Keage incline. This historic slope was once used to drag boats on rail cars between different canal levels. Today, the abandoned tracks are lined with cherry blossoms in spring, making it one of Kyoto’s most iconic spots for couples to stroll and take photos. From here, you can wander up to Nanzenji Temple to view a striking, Roman-style red-brick aqueduct that still carries canal water directly through to the Zen temple grounds. The blend of weathered brick, old-growth forest, and spirituality imbues the entire area with a distinct nostalgic charm.
As the journey draws to a close, the canal leaves more than just scenic impressions. It lingers as a reminder that meaningful experiences, like strong relationships, are shaped over time, through care, patience, and shared time together. Whether drifting through dimly lit tunnels or through a glorious show of seasonal color, couples can slow down and simply be together.
In a country where past and present so often intertwine, this trip between Otsu and Kyoto is a destination as well as a memory to be returned to, carried forward long after the boats are left behind.