Amantes Pit Cave – northeastern part. A narrow, 6 m wide and 45 m deep pit – a hole in otherwise flat meadow.
Matt’s Cave – northern part. Large submarine cave, explored length – 200 m, going up to 65 m deep below the sea level.
Piggy Cave – northeastern part. A 120 m long cave with pools and waterfalls.
Tarague natural wells – northern part. A group of eight sinkholes with vertical walls. Sinkholes are up to 20 m deep, reaching up to 12 m below the sea level.
Amantes Pit Cave – northeastern part. A narrow, 6 m wide and 45 m deep pit – a hole in otherwise flat meadow.
Matt’s Cave – northern part. Large submarine cave, explored length – 200 m, going up to 65 m deep below the sea level.
SPRINGS
Coconut Crab Cave spring – northern part. Powerful spring, discharging 225 l of fresh water per second in the ocean. Located at sea level.
Janum Spring – northeastern part. A powerful spring, discharging directly in ocean. It contains a high quality water, which after heavy rain might become reddish.
Natural Arch Spring – northern part. A collapsed cave with a large natural arch at the sea. Powerful spring flows in the ocean.
Coconut Crab Cave spring – northern part. Powerful spring, discharging 225 l of fresh water per second in the ocean. Located at sea level.
Janum Spring – northeastern part. A powerful spring, discharging directly in ocean. It contains a high quality water, which after heavy rain might become reddish.
Natural Arch Spring – northern part. A collapsed cave with a large natural arch at the sea. Powerful spring flows in the ocean.
WATERFALLS
Caves with petroglyphs and cliff paintings - Petroglyphs of Guam might seem not too spectacular but some of them are truly interesting and mysterious.
Karst features -Island has very high number of caves, sinkholes and powerful springs.
Latte stone sites -Here and there in the jungle still are found mysterious megalithic structures of Chamorro people – latte stones.
Cetti Falls – southwestern Guam. Beautiful set of 7 waterfalls.
Sigua Falls – central Guam, south from Hagåtña. Beautiful, impressive waterfall.
Talofofo Falls – 9 m tall, fine waterfall on Ugum River.
Tarzan Falls – south from Hagåtña. Waterfall with five steps, the lower one is 12 m tall, in a beautiful jungle setting.
