| Barbara Schomer Preserve | Western Pennsylvania | Open, Project-Oriented Caving | MAKC Owned | Coming Soon | sarahfurnace@karst.org |
| Barton Cave | Western Pennsylvania | Memorial Day to Labor Day | MAKC assists with closing | Gated, owned by DCNR Bureau of Forestry | info@karst.org |
| Bear Cave Preserve | Western Pennsylvania | April 15 to October 15 Dawn to Dusk | MAKC Leased | Free Permit Required* | bearcave@karst.org |
| Bedford Springs Preserve | Southcentral Pennsylvania | April 15 to October 15 | MAKC Leased | Advance Notice Required** | bedfordsprings@karst.org |
| Billy Clay Preserve | Central West Virginia | Year-round | MAKC Owned | Free Permit Required* | BillyClayPits@karst.org |
| Cleversburg Preserve | Southcentral Pennsylvania | Year-round when conditions are right | MAKC Leased, managed by Franklin County Grotto | Gated | cleversburg@karst.org |
| Coon Cave | Western Pennsylvania | Memorial Day to Labor Day | MAKC assists with closing | Gated, owned by DCNR Bureau of Forestry | info@karst.org |
| Danielson Center | Western Pennsylvania | By Appointment | MAKC Owned | Open by Appointment | archivist@karst.org |
| Hall Cave Preserve | Central Pennsylvania | All year, dawn to dusk | MAKC Owned | Open | HallCave@karst.org |
| Harlansburg Cave Preserve | Western Pennsylvania | Year-round | MAKC Leased | Gated | HarlansburgCave@karst.org |
| Hesston Cave | Central Pennsylvania | January to October | MAKC Lease | Gated | HesstonCave@karst.org |
| Lemon Hole | Western Pennsylvania | Memorial Day to Labor Day | MAKC assists with closing | Gated, owned by DCNR Bureau of Forestry | info@karst.org |
| McClure Cave Preserve | Central Pennsylvania | Open. Gated. Email preserve manager to arrange a trip. | MAKC Owned | Gated. Open by arrangement with preserve manager. | McClure Cave@karst.org |
| Penn Aqua Cave | Central Pennsylvania | Warm weather cave | MAKC Owned (November 2020) | Check with preserve managers | PennAquaCave@karst.org |
| Rogers Belmont Cave Preserve | Front Royal, Virginia | Reopening soon. Lease renewed. | MAKC Lease (expired, sold, new owner, new lease) | Gated. Front Royal Grotto to manage. | RogersBelmont@karst.org |
| Rupert Cave Preserve | Central Pennsylvania | Spring to Fall | MAKC assisting with management | Open by Appointment | RupertCave@karst.org |
| Silers Cave Preserve | Eastern West Virginia | Two trips per month with prior arrangement | MAKC Leased | Gated | SilersCave@karst.org |
| Trout Run Woods Preserve | Western Pennsylvania | April 15 to October 15 | MAKC Leased | Open | TroutRunWoodsCaves@karst.org |
