Carlsbad Caverns National Park is open every day of the year except for December 25. EXPANDED (SUMMER) HOURS: Memorial Day weekend through Labor Day, 8 am to 7 pm. Tours are available 8:30 am to 5 pm. Last entry into cave via natural entrance is 3:30. Last entry into cave via elevator is 5:00. REGULAR HOURS: After Labor Day until Memorial Day weekend, 8 am to 5 pm. Tours are available 8:30 am to 3:30 pm. Last entry into cave via natural entrance is 2:00. Last entry into cave via elevator is 3:30. Please note: Beginning on the second Sunday in March, Carlsbad Caverns National Park is on Mountain Daylight Saving Time; Mountain Standard Time begins on the first Sunday in November. |