Tiga Warna is the guarded reef inside Clungup Mangrove Conservation at Tambakrejo. Over the coral the water shifts blue, green, and red.
Snorkel with the guide, in a booked session. Published accounts put that guide nearer Rp150.000 for a small group, and cap a session at about 100 people for about two hours. Entry Rp10.000. A guide is listed at Rp100.000. Parking: motorcycle Rp5.000, car Rp10.000. Open 07.00-16.00, closed Thursday. From the center of Malang it is 72 km, about 2 – 2.5 hours. Best time on this list: Dry season (May–October), morning (07:00–10:00). Address: Village Tambakrejo, District Sumbermanjing Wetan, Regency Malang, East Java.
Do not enter without a booking or a guide. Do not step on coral, use soap, take sand, or leave rubbish. Bags are checked at Post 2; CMC has fined Rp100.000 per item left behind. Thursday, Eid al-Fitr, and the Christmas-New Year holiday have been closure days.