Carlsbad Caverns National Park: Size and Scale

By the Numbers

• Park Area: 46,766 acres (190 km²)
• Cave Length: 100+ miles (160+ km) surveyed
• Maximum Depth: 1,000+ ft (300+ m)
• Cave Volume: 2+ cubic miles (8+ km³)
• Chambers: 100+ known
• Largest Chamber (The Big Room): 4,000 ft long × 625 ft wide × 255 ft high (1,200 × 190 × 78 m)

One of the world's most extensive and accessible cave systems—a UNESCO World Heritage Site.