Geological reserves are created to protect underground land structures, typical examples of the exposed layers of land, caves and fossil complexes.
| Title | Area, ha |
|---|---|
| Akmuo Geological Reserve (1988-02-29) | 65,5 |
| Armona Geological Reserve (1960-09-27) | 146,1 |
| Buoziai Geological Reserve (1988-02-29) | 14,1 |
| Daumenai Geological Reserve (1998-12-17) | 423,0 |
| Drąseikiai Geological Reserve (1998-12-17) | 772,8 |
| Indubakiai Geological Reserve (1971-04-26) | 7,5 |
| Navakoniai Geological Reserve (1971-04-26) | 5,6 |
| Nemunelis - Apascia Geological Reserve (1960-09-27) | 296,4 |
| Padaiciai Geological Reserve (1998-12-17) | 725,4 |
| Pelysa Geological Reserve (1960-09-27) | 60,5 |
| Stabulankiai Geological Reserve (1988-02-29) | 7,4 |
| Vajeliai Geological Reserve (1971-04-26) | 13,5 |
| Zalvariai Geological Reserve (1971-04-26) | 13,3 |
