Black Chasm Cavern, Natural National Landmark

Visitors to the cave are enchanted by the beauty of a wide variety of formations including stalactites, stalagmites, flowstones and the vast arrays of rare helictite crystals, for which Black Chasm Cavern is justly famous. Above ground, kids love our gemstone mining at our mining flumes right outside the Visitors Center. Everyone is guaranteed to find some real gemstones!

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Longhorn Cavern State Park

The park features historical and nature study. Located in the heart of the Highland Lakes, Longhorn Cavern is near Inks Lake State Park which offers camping and lodging.

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NCA Directory

America's Best Showcaves!

Just about everywhere you go, you can explore the underground wonders of a nearby NCA showcave.

All Showcaves

    

Members: The directory is available for download in pdf format under Member Resources.

Alabaster Caverns State Park
Route 1, Box 32
Freedom, OK  73842
580-621-3381
Appalachian Caverns
420 Cave Hill Road
Blountville, TN  37617
423-323-2337
Black Chasm Cavern, Natural National Landmark
5350 Moaning Cave Road
Vallecito, CA  95251
209-736-2708
Black Hills Caverns
2600 Cavern Rd.
Rapid City, SD  57702
605-343-0542
Blanchard Springs Caverns
Forest Road 1110A (off Hwy 14)
Mountain View, AR  72560
870-757-2211
Bluespring Caverns
1459 Bluespring Caverns Road
Bedford, IN  47421
812-279-9471
Bluff Dwellers Cave
954 Hwy 59 South
Noel, MO  64854
417-475-3666
Bridal Cave & Thunder Mountain Park
526 Bridal Cave Road
Camdenton, MO  65020
573-346-2676
Bristol Caverns
1157 Bristol Caverns Hwy.
Bristol, TN  37620
423-878-2011
California Cavern, State Historic Landmark
9565 Cave City Road, Mountain Ranch CA 95246
Vallecito, CA  95251
209-736-2708
Carlsbad Caverns National Park
727 Carlsbad Caverns Hwy
Carlsbad, NM  88220
575-785-2232
Cathedral Caverns State Park
637 Cave Road
Woodville, AL  35776
256-728-8193
Cave of The Mounds, National Natural Landmark
2975 Cave of the Mounds Road
Blue Mounds, WI  53517
608-437-3038
Cave of The Winds
6 Miles W of I-25 on US Hwy 24
Manitou Springs, CO  80829
719-685-5444
Cave Spring Park
HC1, Box 89
Van Buren, MO  63965
573-323-4001
Cave Without A Name
325 Kreutzberg, Boerne, TX 78006
Houston, TX  77240
830-537-4212
Caverns of Sonora
P.O. Box 1196
Sonora, TX  76950
325-387-3105
Colossal Cave Mountain Park
16721 E Old Spanish Trail & Colossal Cave Road
Vail, AZ  85641
520-647-PARK
Cosmic Cavern
6386 Hwy. 21 North
Berryville, AR  72616
870-749-2298
Crystal Cave, PA
963 Crystal Cave Rd.
Kutztown, PA  19530
610-683-6765
Crystal Cave, WI
W 965 State Road 29
Spring Valley, WI  54767
715-778-4414
Crystal Lake Cave
6684 Crystal Lake Cave Road
Dubuque, IA  52003
563-556-6451
Cumberland Caverns
1437 Cumberland Caverns Rd.
McMinnville, TN  37110
931-668-4396
DeSoto Caverns Family Fun Park
5181 DeSoto Caverns Parkway
Childersburg, AL  35044
256-378-7252
Diamond Caverns
1900 Mammoth Cave Parkway, I-65 Exit 48
Park City, KY  42160
270-749-2233
Dixie Caverns
5753 W. Main
Salem, VA  24153
540-380-2085
Fantastic Caverns
4872 N. Farm Rd. 125
Springfield, MO  65803
417-833-2010
Forbidden Caverns
455 Blowing Cave Rd.
Sevierville, TN  37876
865-453-5972
Forestville/Mystery Cave State Park
21071 County 118
Preston, MN  55965
507-937-3251
Glenwood Caverns Adventure Park
51000 Two Rivers Plaza Rd
Glenwood Springs, CO  81601
970-945-4CAV
Grand Caverns
5 Grand Caverns Drive
Grottoes, VA  24441
540-249-5705
Hana Lava Tube
Turn left off Hwy 360 @ MM31,go 4/10 mile to Lava Tube
Hana, HI  96713
808-248-7308
Harrison's Cave
Welchman Hall
St Thomas, Barbados  
246-417-3700
Hidden River Cave & American Cave Museum
119 East Main Street
Horse Cave, KY  42749
270-786-1466
Howe Caverns Adventure Park
255 Discovery Drive
Howes Cave, NY  12092
518-296-8900
Ice Caves
12,000 Ice Caves Road
Grants, NM  87020
505-783-4303
Indian Echo Caverns
368 Middletown Rd.
Hummelstown, PA  17036
717-566-8131
Indiana Caverns
1267 Green Acres Drive SW
Corydon, IN  47112
812-734-1200
Inner Space Cavern
4200 S. Interstate Hwy. 35, Exit 259
Georgetown, TX  78626
512-931-CAVE
Jacob's Cave
23114 Hwy. TT
Versalles, MO  65084
573-378-4374
Jewel Cave National Monument
11149 US Hwy 16
Custer, SD  57730
605-673-8300
Kartchner Caverns State Park
2980 South Hwy 90
Benson, AZ  85602
520-586-4110
Lake Shasta Caverns
20359 Shasta Caverns Rd.
Lakehead, CA  96051
800-795-CAVE
Laurel Caverns
3 Miles East of Hopwood, PA off of Route 40
Hopwood, PA  15445
724-438-3003
Lincoln Caverns
7703 William Penn Hwy; US Route 22
Huntingdon, PA  16652
814-643-0268
Longhorn Cavern State Park
6211 Park Road 4 South
Burnet, TX  78611
512-715-9000
Lost River Cave
2818 Nashville Road
Bowling Green, KY  42101
270-393-0077
Lost River Caverns
726 Durham St.
Hellertown, PA  18055
610-838-8767
Lost River Gorge and Boulder Caves
1712 Lost River Road Route 112 W
North Woodstock, NH  03262
603-745-8031
Lost Sea
140 Lost Sea Rd.
Sweetwater, TN  37874
423-337-6616
Luray Caverns
970 US-211 (W)
Luray, VA  22835
540-743-6551
Mammoth Cave National Park
1 Mammoth Cave Parkway
Mammoth Cave, KY  42259
270-758-2180
Marengo Cave National Landmark
400 E. State Road 64
Marengo, IN  47140
812-365-2705
Mark Twain Cave
300 Cave Hollow Road
Hannibal, MO  63401
573-221-1656
Marvel Cave
399 Indian Point Rd., Silver Dollar City
Branson, MO  65616
417-338-3894
Meramec Caverns
I-44, Exit 230. 1135 Hwy W
Stanton, MO  63079
573-HOT-CAVE
Mercer Caverns
1665 Sheep Ranch Road
Murphys, CA  95247
209-728-2101
Moaning Cavern
9565 Cave City Road, Mountain Ranch CA 95246
Vallecito, CA  95251
209-736-2708
Mystic Caverns
341 Caverns Dr; Hwy 7 South
Harrison, AR  72602
1-888-743-17
Natural Bridge Caverns
26495 Natural Bridge Caverns Rd.
Natural Bridge Caverns, TX  78266
210-651-6101
Natural Stone Bridge Caves & Park
535 Stone Bridge Road
Pottersville, NY  12860
518-494-2283
Niagara Cave
29842 County 30
Harmony, MN  55939
507-886-6606
Ohio Caverns
2210 State Route 245 East
West Liberty, OH  43357
937-465-4017
Onondaga Cave & Cathedral Cave
7556 Hwy. H
Leasburg, MO  65535
573-245-6600
Penn's Cave
222 Penn\'s Cave Rd.
Centre Hall, PA  16828
814-364-1664
Perry's Cave
979 Catawba Ave.
Put-in-Bay, OH  43456
419-285-2283
Polar Caves Park
705 New Hampshire 25
Rumney, NH  03266
603-536-1888
Raccoon Mountain Caverns
319 West Hills Dr.
Chattanooga, TN  37419
423-821-9403
Rickwood Caverns State Park
370 Rickwood Park Rd.
Warrior, AL  35180
205-647-9692
Ruby Falls
1720 S. Scenic Hwy.
Chattanooga, TN  37409
423-821-2544
Rushmore Cave
13622 Hwy 40
Keystone, SD  57751
605-255-4467
Sea Lion Caves
91560 Hwy. 101
Florence, OR  97439
541-547-3111
Secret Caverns
674 Caverns Road
Howes Cave, NY  12092
518-296-8558
Seneca Caverns Registered Natural Landmark
15248 E Township Rd 178; Bellevue, OH 44811
Bellevue, OH  44811
419-483-6711
Seneca Caverns WV
3328 Germany Valley Road
Riverton, WV  26814
800-239-7647
Shenandoah Caverns
261 Caverns Rd.
Shenandoah Caverns, VA  22847
540-477-3115
Spook Cave
13299 Spook Cave Road
Mc Gregor, IA  52157
563-873-2144
Squire Boone Caverns/Village
100 Squire Boone Rd
Mauckport, IN  47142
812-732-4381
Talking Rocks Cavern
423 Fairy Cave Lane
Branson West, MO  65737
800-600-CAVE
The Crystal Caves of Bermuda
P.O. Box CR 232
Hamilton Parish, CR BX  
441-293-0640
Timpanogos Cave National Monument
2038 Alpine Loop Road
American Fork, UT  84003
801-756-5238
Tuckaleechee Caverns
825 Caverns Road
Townsend, TN  37882
865-448-2274
Twin Caves
3333 State Road 60E
Mitchell, IN  47446
812-849-3534
War Eagle Cavern on Beaver Lake
On Scenic Hwy 12, 25 min SE of Eureka Springs, 20 min W of Rogers
Rogers, AR  72756
479-789-2909
Wind Cave National Park
69911 US Hwy 385
Hot Springs, SD  57747
605-745-4600
Wyandotte Cave
7315 South Wyandotte Cave Road
Leavenworth, IN  47137
812-738-8232