Introduction:
Okinawa is a land born from rising coral reefs over countless millennia. Among its many natural wonders, the Valley of Gangala (Gangala-no-Tani) stands out as a mystical forest formed within a massive collapsed limestone cave. Located in Nanjo City, just a short drive southeast of Naha, this site offers a breathtaking glimpse into Japan’s prehistoric past.

What does “Gangala” mean?
The name “Gangala” has a quirky and rhythmic origin. According to our local guide, before the valley was developed, there was a hole at the top of the cliff near the entrance. When locals dropped stones into the hole, they would hear a echoing sound: “Gala-gala, Gaan-gaan.” This eventually became “Gangala,” and the name stuck!

Highlights of the Guided Tour:
To protect this precious environment, the valley is only accessible via a guided tour (reservation required).
1. Inagu & Ikiga Caves (Sacred Sites)
These caves have long been places of worship for locals. Inagu (female) and Ikiga (male) caves are known as sacred spots for praying for fertility and the well-being of family. The lush, jungle-like path leading there is filled with giant bamboo that grows up to 30cm a day!
2. The Giant Banyan Tree (Ufushu-gajumaru)
One of the most iconic sights in the valley is a 150-year-old giant Banyan tree. Its massive aerial roots reach down like natural pillars, creating a majestic and spiritual atmosphere. It’s the perfect spot for a commemorative photo.
3. The Tree Terrace
After climbing a wooden staircase, you’ll reach the Tree Terrace. From here, you can overlook the site where the “Minatogawa Man”—remains of prehistoric people from 20,000 years ago—were discovered. It’s a place where you can truly feel the scale of human history.
4. Bugei-do Cave: A 2,500-Year-Old Mystery
The tour concludes at Bugei-do Cave, an active archaeological site. Here, you can see 2,500-year-old burial sites and ancient ornaments made of shells. Seeing these remains right before your eyes provides an incredible sense of realism.




Travel Tips:
- Reservations: Highly recommended. You can book online or by phone (098-948-4192).
- Fee: 2,500 yen per person (includes a guide).
- Accessibility: Located right next to “Okinawa World,” making it a great combo trip!





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