Carlsbad Cavern includes a large limestone chamber, named simply the Big Room, which is almost 4,000 ft (1,220 m) long, 625 ft (191 m) wide, and 255 ft (78 m) high at its highest point. The Big Room is the largest chamber in North America and the 32nd largest in the world.

The most popular route, the Big Room, is the largest single cave chamber by volume in North America. This 1.25 mile (2 km) trail is relatively flat, and will take about 1.5 hours (on average) to walk it. Actor and comedian Will Rogers called the cavern, "The Grand Canyon with a roof over it."

Mar 6, 2021 · Carlsbad Caverns is an enormous underground cave system, full of beautiful limestone formations and underground lakes. One of the best things about it is how accessible the place is, especially the Big Room. There’s even a wheelchair-friendly elevator leading right down into the main chamber.

The Big Room at Carlsbad Caverns is the 5th largest single cave chamber in North America and the 28th-largest in the world. So, yes, it’s very big! It is almost 4,000 ft long, 625 ft wide, and 225 ft tall at its tallest point.

Jan 2, 2019 · The Big Room is the fifth largest chamber in North America, the twenty-eighth largest in the world, and the largest cave chamber in North America by volume, with the capability to swallow six football fields. The 1.25 mile Big Room Trail is …

Dec 27, 2024 · The most popular route, the Big Room, is the largest single cave chamber by volume in North America. This 1.25 mile (2 km) trail is relatively flat, and will take about 1.5 hours (on average) to walk it. Actor and comedian Will Rogers called the cavern, "The Grand Canyon with a roof over it."

Apr 27, 2023 · The Carlsbad Caverns Big Room is the largest single cave chamber by volume in North America, according to the National Park Service. It’s the main section of Carlsbad Caverns to explore, and at 750 feet underground, it’s the furthest you can go.

The walk around the Big Room is about a mile and is paved and pretty easy if you are healthy. There are all kinds of very interesting cave formations in the Big Room including stalactites, stalagmites, cave pearls, soda straws, draperies, and lily pads.

Mar 14, 2019 · Without a doubt, the Big Room is the attraction at Carlsbad Caverns National Park. Despite being 800 feet underground, this cave hike is anything but claustrophobic. In fact, this is largest cave room in North America with ceilings up to 300 feet high!

Aug 3, 2022 · The Big Room is 357,469 square feet (8.2 acres) and is the largest, readily accessible, single cave chamber in North America. This 1.25 mile trail is relatively flat and parts of it are wheelchair accessible.