Best Tuff Ring

Tambora maar is a volcanic crater formed during the cataclysmic 1815 eruption of Mount Tambora on Sumbawa Island, Indonesia. The resulting caldera, characterized by tuff-cones and tuff rings, represents the largest volcanic event ever recorded. This geological feature provides valuable insight into...

Lake Pinatubo is a crater lake within the Mount Pinatubo volcanic complex in Luzon, Philippines. It formed following the devastating 1991 eruption which dramatically reshaped the volcano’s summit as a caldera. The lake sits within this post-eruption tuff cone structure, influenced by ongoing monsoon...

Lake Rotomahana is a volcanic crater lake located within the Taupo Volcanic Zone of New Zealand. It’s notable for its dramatic formation following the 1886 eruption that destroyed Te Waharoa village. The lake sits within a tuff-cone and tuff ring, representing a maar – a steep-sided volcanic depress...

The Caldeira das Sete Cidades is a large tuff-cone crater located on São Miguel Island in the Azores archipelago. Formed during the Pleistocene epoch through volcanic activity, it features a maar-caldera structure containing two distinct lakes—one blue and one green—resulting from varying mineral co...

Hanauma Bay is a volcanic tuff cone located along Oahu’s southeast coastline. Formed during the Honolulu Volcanic Series, its breached tuff ring creates a unique marine environment. Designated as a nature preserve in 1967, it provides sheltered waters for snorkeling and observation of diverse marine...

Molokini is a tuff cone islet located off the coast of Maui, Hawaii. Formed during the Pleistocene epoch from volcanic ash ejected by an underwater eruption, it now constitutes a marine reserve. The island’s unique geological structure and surrounding waters support diverse marine life, making it a...

Laacher See is a maar lake located within the Eifel region of Germany. It represents the remains of a volcanic eruption around 13,000 years ago, creating a tuff-cone structure known as a ‘maar’. The significant feature is the extensive tuff ring and ash deposit resulting from this Plinian event, imp...

Mount Rinjani on Lombok, Indonesia, contains the Segara Anak crater lake, a notable volcanic feature formed during a massive eruption in the 13th century.

Tuff features linked to Mount Tarawera, New Zealand, relate to eruption episodes including the catastrophic 1886 event that destroyed the world-renowned Pink and White Terraces.

South Crater is a prominent, flat-floored volcanic feature located on Mount Tongariro in New Zealand, serving as a notable segment of the famous Tongariro Alpine Crossing.

Fort Rock is a prominent crescent-shaped tuff cone in Lake County, Oregon, USA, originally formed by volcanic explosions beneath an ancient lake.

The Specchio di Venere is a shallow crater lake in Pantelleria, Italy, notable for occupying a volcanic maar that features thermal mud pools and unique microbialite formations.

Situated in Bali, Indonesia, Mount Batur features a prominent caldera and crater lake formed by a massive volcanic eruption approximately 20,000 years ago.

Cerro Colorado is a large basaltic tuff ring in the El Pinacate volcanic field, Sonora, Mexico, situated within the UNESCO World Heritage Site designated in 2013 for its volcanic landscape.

Kolumbo is an active submarine tuff cone northeast of Santorini, Greece, whose 1650 CE eruption produced a deadly tsunami and pyroclastic surge, killing dozens on the island.

MacDougal Crater is a maar in El Pinacate, Sonora, Mexico, named after American botanist Daniel Trembly MacDougal who explored the Gran Desierto de Altar region in the early 20th century.

Deception Island in Antarctica is a flooded caldera with prominent tuff rings, notable for destructive eruptions in 1967 and 1969 that destroyed regional research stations.

Sykes Crater is a maar in the El Pinacate y Gran Desierto de Altar Biosphere Reserve, Sonora, Mexico, formed by phreatomagmatic volcanism on the hyperarid Sonoran Desert floor.

Ubehebe Crater is a large volcanic maar in California's Death Valley National Park, created by a phreatomagmatic explosion between 2,000 and 8,000 years ago.

Hole-in-the-Ground is a large maar volcano and tuff cone in Oregon, USA, created by explosive contact between magma and groundwater roughly 100k years ago.

Pulvermaar is a water-filled volcanic maar crater in Germany's Eifel region, renowned for its clear water and distinction as one of the deepest natural lakes in Rhineland-Palatinate.

Isla Isabel is a volcanic tuff cone island off the coast of Nayarit, Mexico, designated as a national park and famous for its immense frigatebird colonies.

Hverfjall is a large tuff ring in northeastern Iceland near Lake Mývatn, formed approximately 2,500 years ago and measuring roughly one kilometer in diameter.

Lac Pavin is a deep crater lake situated within a young volcanic maar and tuff cone in France's Auvergne region, notable as the country's youngest volcano.

Lake Pupuke is a maar lake on Auckland's North Shore, New Zealand, formed by phreatomagmatic eruptions approximately 140,000 years ago and now one of the city's few natural lakes.

Kilbourne Hole is a dormant volcanic maar in the Doña Ana Mountains of New Mexico, notable for containing deep mantle xenoliths brought to the surface during its eruption.

Meerfelder Maar is the largest crater lake in Germany's Eifel region, notable for forming 80,000 years ago and containing paleoclimatic sediment records used in Quaternary geology.

Laguna de Atexcac is a maar crater lake in Puebla state, Mexico, distinguished by its vivid green water coloration produced by dissolved minerals and algal communities.

Lake Alchichica is a deep crater lake located within a volcanic tuff cone and maar in Puebla, Mexico, notable for its unique stromatolite formations.