Contact us for more details on these events. Note: Annual calendar will be completed at the January. Grotto meetings are normally held at 7:30 PM on Saturday with caving before and or after.
| Event | When | Where | Notes |
| Grotto Meeting | 1/25/25 | McCloud | |
| Grotto Meeting | 2/22/25 | McCloud | |
| Grotto Meeting | 3/29/25 | Yreka | |
| Grotto Meeting | 4/26/25 | McKinley’s | |
| Grotto Meeting | 5/12-17/25 | Lava Beds Camping | Contact Liz if interested |
| Grotto Meeting | 6/23-28/25 | Hat Creek Campout | (at Hat Creek Campground) |
| NSS Convention | 6/21-28/25 | Cobleskill, NY | |
| Grotto Meeting | 7/21-26/25 | Dry Camp Medicine Lake Highlands | |
| Marbles | 8/18-26/25 | CANCELLED | Contact Steve for mule reservations |
| Grotto Meeting | 8/23/25 | Hat Creek | |
| Western Region | 8/26-28 | 3 Rivers | Hosted by MLG & San Joaquin Grotto |
| Grotto Meeting | 9/27/2025 | McCloud | |
| Grotto Meeting | 10/25/25 | Montague | |
| Grotto Meeting | 12/6/25 | McCloud | White Elephant, Potluck, nominations for officers |