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See Japan at its most radiant on a small-ship spring voyage aboard Heritage Adventurer, sailing roundtrip from Osaka. Cruise from the calm channels of the inland sea to the open coast of the Sea of Japan, with guided shore experiences that blend sacred sites, layered history, local food culture and beautifully crafted gardens. Along the way, explore poignant memorial places and revered shrines, wander historic towns with samurai-era character, and reach the remote Oki Islands for striking coastal scenery shaped by geology and sea. A call in South Korea adds a cultural counterpoint with time in the ancient capital region of Gyeongju, before returning to Japan for lively markets and art-forward ports ahead of your final approach back to Osaka. With expert guiding and a relaxed onboard rhythm, this is springtime exploration designed to feel immersive, balanced and deeply rewarding.
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Day 1
Join Osaka
Arrive at Honshu’s largest port city Osaka where modern architecture and a vibrant dining scene are nestled alongside the 16th Century shogunate Osaka Castle, and make your way to your hotel where our group will spend the first night of the expedition. This evening meet your fellow voyagers and expedition guides over dinner at the hotel.
Meals: D
Day 2
In Osaka, board Heritage Adventurer
Enjoy breakfast at the hotel before exploring Osaka, opportunities here include visiting Minoh Park and Osaka Castle. With an area of just 9.6 square kilometres (963 hectares) Minoh Park is one of Japan’s smallest National Parks and home to iconic 33-metre high Minoh Waterfall and diverse wildlife including Japanese Salamander and protected Mino Monkeys. Explore Osaka Castle, one of Japan’s most famous landmarks, take in the views from Osaka Castle Main Tower and relive dramatic stories of warlords and Osaka’s fascinating history. Board Heritage Adventurer in the afternoon as your Captain and Expedition Team welcome you aboard.
Meals: B,L,D
Day 3
Hiroshima & Miyajima Island
Despite its history including being the site of the world’s first atomic bomb attack on the 6 August 1945, Hiroshima is a vibrant and thriving cosmopolitan community. We plan to visit the beautiful Peace Park and Museum, with its sombre cenotaph containing names of atomic bomb victims, and the permanently lit ‘Flame of Peace’. After visiting the Peace Park we will travel to Miyajima Island, considered one of Japan’s most scenic spots and the location of the Torii Gate and the Daisho-in Buddhist temple. For those after a nature fix, ascend Mount Misen on Miyajima Island by cable car and enjoy a hike, admiring the views below of the Shinto Shrine and Torri Gate.
Day 4
Hagi
Hagi was a minor fishing port until Mori Terumoto fortified it in 1604 and it was Mori Samurai that helped spark off the anti-Tokugawa revolt in the mid-19th century. Today it is better known for its traditional pottery making. This morning we will explore the Teramachi District with its temples and shrines, the Jokamachi District, where we find the old Samurai houses and also take time to explore Hagi Castle, Shizuki Park and Tokoji Temple. This afternoon travel to the outskirts of the city and the Yoshika Taibi Memorial Museum which is dedicated to a large collection of Hagiyaki pottery which was highly prized in the Edo period as wares for tea ceremonies. Alternatively, discover the natural wonders of 300 million year old limestone Akiyoshido Cave.
Day 5
Oki Islands
Picturesque, otherworldly and rarely visited, the Oki Islands are an archipelago in the Sea of Japan, part of the Daisen-Oki National Park and a UNESCO registered Global Geopark. Accordingly, these islands are home to some outstanding coastal and island scenery to explore and experience. Rich in history, these anachronistic islands combine clear water beaches, bays, inlets and coves with impressive towering cliffs and rock formations to the dense forests, ancient sacred sites and steep mountains, including Mt Daimanji which rises more than 600-metres. This evening, upon arrival at the port of Sakaiminato, you will have the opportunity to join an evening excursion and experience the beauty of Matsue by night.
Day 6
Matsue
Discover Sakaiminato, entry point to Matsue. It is also known as ‘the town of water’, due to being situated between Lake Shinji and Lake Nakaumi. We plan to visit Matsue Castle, a national treasure and one of only 12 original 17th Century castles in Japan. Other options today may include exploring Daisen-Oki National Park, steeped in beauty and history it’s also the home of rare flora and fauna including the Japanese Giant Salamander. You may visit the picturesque Yuushien Garden which coincides with the iconic annual Yuushien Peony Festival, the Adachi Museum of Art or learn about the art of Japanese paper making at the Yakumo-mura village. Alternatively, you may wish to spend some time exploring the picturesque streets and local canals.
Day 7
Ulsan, South Korea
Today we cross the Sea of Japan to Ulsan in South Korea where we plan to visit the UNESCO World Heritage Site of Gyeongju. The capital of the Shilla Dynasty and dating back to the first millennium, Gyeongju is known as ’the museum without walls’ and is full of ancient Korean history and Buddhist culture. Enjoy strolling through hundreds of excavated monuments, temples, tombs and pagodas, and experience Korean delicacies, cultural performances, and visit the National Museum with its gold jewellery, metal weapons, and distinctive pottery. Today provides a perfect taste of the best South Korea has to offer.
Day 8
Shimonoseki, Japan
This morning we return to Japan and Shimonoseki Port perched above the 650-metre-wide Kanmon Straits and tucked away at the western end of Japan’s main island Honshu. Surrounded by water on three sides, Shimonoseki is rightly famous for its seafood and, in addition to being considered the gateway to Kyushu, is also known as ‘Japan’s Pufferfish/Fugu Capital’ – the potentially deadly local delicacy requiring takumi-level preparation by specially trained Fugu chefs. Other highlights include city’s iconic Kanmon Bridge spanning Honshu and Kyushu Islands, world famous Karato Fish Market and the beautiful Akama Shinto Shrine built to honour drowned child Emperor Antoku. Our excursions today include time to explore Kokura Castle and its rich history at the crossroads of Japanese history, and discover the beautiful Shiranoe Botanical Garden accompanied by its resident gardeners. There is also time to explore the world famous Karato Fish Market, adjacent to where Heritage Adventurer is docked, and visit Akama Shinto Shrine on the shores of the Kanon Strait.
Day 9
Tamano
From the port of Uno-Ko we will visit one of Japan’s most famed gardens, Koraku-en, which translates as ‘garden of pleasure after’. This 17th Century formal garden has 28 acres of walking trails, ponds, plum and cherry trees. This afternoon we will continue to Kurashiki, where we explore the old merchant quarter and its 17th Century wooden warehouses painted white with traditional black tiles, along a canal framed with weeping willows and filled with koi. There is also a chance to visit the Ohara Museum of Art which includes rare works by Matisse, Picasso and Renoir as well as collections from Japan’s famous Mingei movement including ceramics by Hamada Shoji. For those interested in art you may wish to travel to Naoshima Island – Japan’s stunning art island. Your time exploring Naoshima Island will have you admiring its architecture, art museums and Labyrinth of Cherry Blossom Trees, including Chichu Art Museum and Benesse House, featuring work by Japanese and international artists including the iconic pumpkins by Yayoi Kusama.
Day 10
Disembark in Osaka
This morning we sail into Honshu’s largest port city Osaka. After breakfast there will be a complimentary coach to a central hotel or to the Osaka airport. To allow time for disembarkation procedures and travel from Osaka, we do not recommend booking flights departing before 1300 hours. Note: During our voyage, circumstances may make it necessary or desirable to deviate from the proposed itinerary. This can include poor weather and opportunities for making unplanned excursions. Your Expedition Leader will keep you fully informed. This tour offers a variety of activities and excursions. Your personal interests will determine which of these you wish to join. Please note that some activities and excursions will run at similar times, and it will not be possible to participate in both. Accordingly, refunds for excursions and missed landings are not available. Voyages are planned and scheduled pending final regulatory approval.
Meals: B
What's included
What's not included
Our voyages are designed for curious travellers — not just passengers. While our itineraries offer a range of activities, from gentle zodiac cruises to more challenging hikes and paddles, it’s important to understand the nature of this experience before you join us. These expeditions are suitable for most travellers with an adventurous spirit, good health, and the ability to move confidently around a vessel — especially in variable weather and sea conditions. Some shore landings and excursions may involve uneven terrain, wet landings, or light scrambling. Boarding zodiacs and navigating the boat may require balance and agility, though our experienced team is always on hand to assist. Each trip may include a variety of optional activities, most of which require no prior experience. Of course, all activities are optional — you’re always welcome to stay aboard and enjoy the ship at your own pace. Not sure if this trip is right for you?
Get in touch with our team — we’re here to help you choose the experience that best suits your interests, comfort, and curiosity.
Heritage Adventurer is a true pioneering expedition vessel of exceptional pedigree. Often referred to as the ‘Grande Dame of Polar Exploration’ due to her celebrated history and refined design, she was purpose built for adventure in 1991 at Finland’s Rauma shipyard and specifically designed for Polar exploration. Heritage Adventurer (formerly known as MS Hanseatic) holds the highest passenger ship iceclass rating (1A Super).
DECK 6 | HERITAGE SUITES SIZE: 44m2 (475.SqFt)
Located on Deck 6, Heritage Suites are an expansive 44m2 and feature large double panoramic windows, king bed, large living area with a sofa, coffee table and chairs, large writing desk and grand marble bathroom with a double basin, bathtub and shower, floor to ceiling storage and a flat screen entertainment system.
DECK 6 | WORSLEY SUITES SIZE: 22m2
Located on Deck 6, Worsley Suites are a spacious 22m2 and feature large panoramic windows, king or two single beds, comfortable chaise- style lounge suite, writing desk, private en-suite bathroom with shower, ample storage and a flat screen entertainment system.
DECK 5 | SUPERIOR CABINS SIZE: 22m2
Superior Cabins on Deck 5 are a spacious 22m2 and feature large panoramic windows, king or two single beds, lounge area, writing desk, private en- suite bathroom with shower, ample storage and a flat screen entertainment system.
DECK 4 | SUPERIOR CABINS SIZE: 22m2
Superior Cabins on Deck 4 are a spacious 22m2 and feature large panoramic windows, king or two single beds, lounge area, writing desk, private en- suite bathroom with shower, ample storage and a flat screen entertainment system
DECK 5 | SUPERIOR TRIPLE CABINS SIZE: 22m2
Superior Triple Cabins on Deck 5 are a spacious 22m2 and feature large panoramic windows, two single beds and one Pullman bed which folds down from the wall, lounge area, writing desk, private en-suite bathroom with shower, ample storage and a flat screen entertainment system.
DECK 3 | MAIN DECK TRIPLE CABINS SIZE: 22m2
Main Deck Single Cabins on Deck 3 are a spacious 22m2 in size and feature two porthole windows, king bed, lounge area, writing desk, private en- suite bathroom with shower, ample storage and a flat screen entertainment system.
Per Person, Twin Share
Rating: ☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆
Explore places the big ships can’t with the widest selection of genuine small-ship, activity-first cruising. On Water Expeditions offers exceptional value, quality services, no hidden costs, and plenty of inclusions.
Don't watch the action sail past your window, dive into it! Designed for active travellers, these itineraries give you more time to adventure off the boat.
Activity is built into every journey. From paddling to hiking, enjoy a basecamp-style experience that injects fun, meaningful connections and thrilling adventure into it.
Each voyage is thoughtfully selected for low-impact exploration, supporting genuine conservation and sustainability while respecting local communities and environments.
10 Days
12 Days