Tokyo Orientation & Sumida Aquarium Visit

Meet at Tokyo Station (Marunouchi North Gate) for a welcome orientation with fellow tour participants. After checking in your luggage, travel by private vehicle to Sumida Aquarium in Tokyo Skytree Town.

Here, ADA staff who maintain the aquariums will join us for a guided tour led by aquascape creator Yusuke Honma. You’ll explore five Nature Aquariums originally created by Takashi Amano in 2012, which have been maintained for over 13 years. Learn about the philosophy of Nature Aquariums, including layout structure and planting techniques inspired by nature.

After the visit, transfer via Joetsu Shinkansen to Niigata City, where you’ll stay overnight.

Sado Island Arrival & Coastal Exploration

Depart Niigata Port in the morning aboard a hydrofoil ferry to Ryotsu Port on Sado Island (approx. 1 hour). Once the ferry exits the harbor, it lifts above the water using underwater wings, cruising at speeds of up to 60 km/h.

Upon arrival, visit Aipo Sado Roadside Station, home to a permanent exhibition of Takashi Amano’s photography.

Then, travel by private vehicle to the Sotokaifu coastline near Negai district for a scenic walk along the rugged shore.

Alpine Plant Trek & UNESCO Heritage Visit

Today’s trek begins in Aoneba Valley, ascending 600 meters over 3 hours. Along the way, observe alpine plants like Shirane Aoi, Japanese wood poppy and explore how natural vegetation inspires aquascape design.

Reach Aoneba Pass, then enjoy a ridgeline walk to Mount Donden (934m). Lunch will be served at Donden Highland Lodge, where optional access to a large public bath is available.

From the lodge’s deck, enjoy panoramic views of Kuninaka Plain, Kosado Mountains, and even the Niigata mainland.

In the afternoon, visit Kirarium Sado, a facility introducing the Sado Gold and Silver Mines, now a UNESCO World Heritage Site. Explore the history of mining from the early modern period to recent times.

Trekking the Primeval Cedar Forest

After breakfast, embark on a trekking tour of the Osado Ishina Natural Cedar Forest, located along the ridgeline of the Osado Mountains.

Walk along mountain trails in proper outdoor gear, guided by a local expert. Encounter ancient cedar trees nearly 300 years old, and learn about their natural habitat and surrounding plant life.

Highlights include close‐up views of iconic trees such as Ivory Cedar, Shitenno Cedar, and Daikoku Cedar.

Zen Experience in Murakami

After three days on Sado Island, return to Niigata Port via hydrofoil. Enjoy lunch in Murakami City, then travel to Murakami to participate in a traditional Zen meditation session at a local temple.

Learn the practices of Zen meditation, mindfulness, and the philosophy behind the rituals. Gain insight into Japanese spiritual culture through hands-on experience guided by a Zen master.

ADA Nature Aquarium Gallery & W1200mm NA Seminar

Immerse yourself in the beauty of authentic Nature Aquarium at the ADA Nature Aquarium Gallery in Niigata Headquarters.

Join Yusuke Homma for an exclusive hands-on seminar, where he creates a W1200mm aquascape inspired by the natural observations from Sado. An exceptional chance to gain hands-on insight from a master and experience the creation of Nature Aquarium in person.

Final Workshop & Tour Conclusion

On the final day: the “Iwagumi Challenge” — a hands-on stone arrangement exercise using a W450mm aquarium. Yusuke Homma will offer personalized feedback and guidance to refine your design. Participants will also enjoy a comprehensive maintenance session led by ADA staff.

Experience a visit to Takashi Amano’s residence, where you’ll have lunch in the room showcasing his iconic 4-meter Nature Aquarium, spending a truly memorable and special time.

To conclude, receive a special certificate of completion, commemorating your participation in this immersive 7‐day journey. Afterward, you’ll be transferred to Niigata Station, where the tour officially ends.