Facility · New Mexico ·
Managed by the Bureau of Land Management
Lost Cave is a limestone cave near the city of Carlsbad. It was the site of an isolation study in 1989 and contains two main rooms, filled with breakdown, and various side passages. The cave is horizontal, but the entrance is negotiated by a 15 foot ladder. It is co-managed by the BLM and the Pecos Valley Grotto, an internal organization of the National Speleological Society. Due to sensitive historic and biological resources in the cave, all trips must have a trip leader from this grotto.
What to Bring
Contact the Pecos Valley Grotto to arrange a trip.
32.42005, -104.21734 · 32°25'12.2"N 104°13'2.4"W
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Precip in | 0.5 | 0.5 | 0.5 | 0.6 | 1.3 | 1.3 | 2.0 | 1.9 | 2.5 | 1.2 | 0.6 | 0.6 |
1991–2020 averages from the nearest NOAA station, 1.1 mi away — not measured at the facility itself, and elevation can make a real difference over that distance.
No Fees
Stay limit: 5 Days
From Recreation.gov, which is not always current. The operator's own page is the authority on what you will be charged.
Recreation.gov last updated this record on 2026-06-04.
Facility information and photographs from Recreation.gov (RIDB). SpotOpened is not affiliated with Recreation.gov or any federal agency.
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