| What | When | Where |
| OVR Meeting | Sunday of Karst-o-Rama | GSP pavilion at the close of Karst-O-Rama |
| OVR Cleanup | October 3 & 4, 2009 | Sinkhole near Rushsylvania, Ohio |
The OVR has two general meetings per year, open to all and 1 executive committee meeting in fall.
General Meetings: