Onyx Cave, also known as King Cave and Boiling Springs Cave, is a historic natural cave located near Newburg, Pulaski County, Missouri. The cave consists of the main room measuring approximately 85 feet wide, 250 feet long, and 33 feet high, and two passageways. The cave features translucent cave onyx that is pure white to cream in color, some with reddish-colored banding. Formations range from the common stalactites, stalagmites, and columns, to beautiful draperies. An 8 foot by 13 foot vertical shaft was sunk in 1892 to mine the onyx. It was listed on the National Register of Historic Places in 1999.
This cave is closed.
Be the first to add a review to the Onyx Cave.
Onyx Cave
Hours
Problem with this listing? Let us know.
Has RV parking changed? Let us know.
-
Parking
-
Pets Allowed
-
Restrooms
-
Wifi
-
Wheelchair Accessible
-
Credit Cards Accepted
Nearby Hotels
Related Trip Guides
The top things to do on an I-40 road trip
- 35 Places
- 49:44
- 2,851 mi
A road trip along the Great River Road
- 35 Places
- 37:29
- 1,907 mi