Morning transfer to the Sukuh temple, the last bastion of Hinduism in Central Java in the face of the spread of Islam. The temple's original iconography, including phallic figures and large turtle-shaped tables, suggests the existence of initiation and even orgiastic rituals. You then set off on a walk towards the village of Tawangmangu, on the slopes of the Lawu volcano. This walk is an opportunity to discover some of the plant species found in this region, as well as admiring superb panoramic views of the surrounding pine forest and high-altitude plantations. You finish your walk by crossing the Tawangmangu park, which leads you to a superb waterfall (Grojogan Sewu) in the middle of a tropical forest inhabited by a large community of monkeys. In the afternoon, transfer to Tumpang, near Malang, at the western foot of the Bromo-Tengger-Semeru massif.

Morning departure for the Lumajang region, skirting the southern flanks of the majestic Semeru volcano. You will then reach the Tumpak Sewu waterfall ("Thousand Waterfalls" in Javanese). As you descend into the gorge (on a slippery and sometimes steep path), you'll feel the force of the hundreds of rushing streams as they "plunge" over 100m. Seen from above, the beauty of this waterfall seems ephemeral as the fine mist soaks everything in its path. No wonder, then, that a photo of Tumpak Sewu with Mt Semeru in the background won the award for "best aerial shot" in 2019. And, if you're also taking your camera equipment with you, remember to protect it from moisture. Return to Tumpang in the late afternoon.

In the early morning, 4x4 vehicles will take you to the Tengger region, where the famous Mt Bromo (2329 m) spits out its volutes and the surrounding caldera forms a gigantic sea of sand. On this journey, you pass through the stunning forest of the Tengger-Bromo-Semeru National Park, skirting part of the crest of the Bromo volcano caldera, before descending to the sea of sand to reach the village of Cemorolawang (located on one of the opposite crests). Mt Bromo is the most revered́ of the Tengger Hindu people who live in the region. Climb the Bromo volcano in the early afternoon. You'll be able to admire its crater resembling a steaming cauldron. It's easy to understand why the Javanese once considered this place to be the entrance to purgatory. You then make your way to the summit of Mount Pananjakan (2,775m) to witness a fabulous spectacle. You will watch the world set against a lunar backdrop, with a breathtaking view of Mount Bromo, its sea of sand, and the Semeru volcano, both of which emit thick fumaroles. Unique! Return to the hotel in the early evening.

Transfer to East Java, and in particular the village of Kalibaru, situated in the midst of various plantations that were once exploited by Dutch colonists. In the afternoon, you embark on a pleasant hike in the surrounding area.

Morning departure by 4x4 to Meru Betiri National Park. After around 5 hours on the road, which can be chaotic at times but takes you through superb rubber, cocoa and coconut plantations, you arrive in the small village of Sukamade. In the afternoon, take your first walk to explore the surrounding area, and in the evening head for Sukamade beach, where you will witness a fabulous spectacle: sea turtles laying their eggs.

Short morning walk to "Cap Vert", a superb white sandy beach bordered by crystal-clear waters. Swimming possible. Approx. 1,5 hours' walk. Then on to Ketapang, on the edge of Kawah Ijen.