Landforms of Chile

The Isthmus of Ofqui is a narrow isthmus that connects the Taitao Peninsula with the Chilean mainland. The isthmus is bounded in the south by the Gulf of Penas, in the north by the San Rafael Lagoon, in the west by the Taitao Peninsula and in the east by the Northern Patagonia Ice Field.

The Peru–Chile Trench, also known as the Atacama Trench, is an oceanic trench in the eastern Pacific Ocean, about 160 kilometres (99 mi) off the coast of Peru and Chile. It reaches a maximum depth of 8,065 m (26,460 ft) below sea level in Richards Deep (23°10′45″S 71°18′41″W / 23.17917°S 71.31139°W) and is approximately 5,900 km (3,666 mi) long; its mean width is 64 km (40 mi) and it covers an expanse of some 590,000 km (230,000 sq mi).

Herschel Island is an island belonging to Chile. The island is located just north of the Drake Passage and southeast of Tierra del Fuego. It is part of the Hermite Islands. The Franklin Channel on the north side of the island separates Herschel from the southernmost Wollaston Islands. Herschel Island is part of the Cabo de Hornos National Park.

Sars Bank (named for M. Sars and G. O. Sars) is located in the Drake Passage in between the southern tip of South America and Antarctica. The bank's coordinates are 59°35′22.18″S 69°0′42.87″W / 59.5894944°S 69.0119083°W, about 350 km south of Diego Ramírez Islands and 500 km from the South Shetland Islands. The top of the bank lies a few hundred meters under sea level.