| January |
| 4th | "A Conkle's Hollow Winter Walk" | Conkle's Hollow State Nature Preserve | All Day | (614)653-2541 | State |
| 18th | 31st Annual Winter Hike | Hocking Hills State Park | Start 9am to 11am | (614)385-6841 | State |
| February |
| 15th | Sweetheart's Hike | Hocking Hills State Park, Ash Cave | 5:30pm to 7pm | (614)385-6841 | State |
| 15th | The "Hemlock" Holmes Mystery | Conkle's Hollow State Nature Preserve | Meet at 10am | (614)653-2541 | State |
| March |
| 8th | Bridge Over Bubbled Waters | Rockbridge State Nature Preserve | 1pm | (614)653-2541 | State |
| 21st | What's In the Timberdoodle's Noodle | Rockbridge State Nature Preserve | 6pm | (614)653-2541 | State |
| 29th | "Wondrous Waterfalls!" | Conkle's Hollow State Nature Preserve | 10am | (614)653-2541 | State |
| April |
| 12th | "The Rim - A Tale of Two Trails" | Conkle's Hollow State Nature Preserve | 10am | (614)653-2541 | State |
| 14th | Tour of Cantwell Cliffs Bicycle Race | Hocking Hills State Park, Cantwell Cliffs | 1pm | (614)890-4145 | Association |
| 26th | Tar Hollow Mushroom Hunt | Tar Hollow State Forest | 11am to 3pm | (614)774-1596 | State |
| 26th | Wildflowers in the Gorge | Conkle's Hollow State Nature Preserve | 10am | (614)653-2541 | State |
| May |
| 3rd | Annual Open House | Christmas Rocks State Nature Preserve | 9am | (614)653-2541 | State |
| 10th | Frontier Trail Hike | Old Man's Cave | Noon | (614)385-6841 | State |
| 24-25th | Hocking Hills Artists and Carftsmens Annual Spring Show | Hocking Hills State Park Dining Lodge | 9am | (614)385-6204 | State |
| June |
| 13th | Tecumseh opens.. | Sugarloaf Mountain Amphitheater | 8pm | (614)775-4349 | Private |
| 15th | Great Ohio Bicycle Adventure | Hocking Hills Area | 2 days | (800)HOCKING | Association |
| 21st | "Exploring the Rim Zones" | Conkle's Hollow State Nature Preserve | 10am | (614)653-2541 | State |
| July |
| 9th | "Twilight Walk in the Gorge" | Conkle's Hollow State Nature Preserve | 8pm | (614)653-2541 | State |
| 10-12th | Gibisonville Summer Festival | Downtown Gibisonville | All day | - | Township |
| 15-26th | Lancaster Festival | Downtown Lancaster | All day | (614)-653-8251 | City |
| 19th | "Early Riser Walk to the Bridge" | Rockbridge State Nature Preserve | 9am | (614)653-2541 | State |
| 23rd | "Geology - the Black Hand of Hocking County" | Conkle's Hollow State Nature Preserve | 10am | (614)653-2541 | State |
| August |
| 9th | Craft Show | Lake Hope State Park | 10am | (614)596-4938 | State |
| 9th | "Mosses, Fungi and Lichens" | Conkle's Hollow State Nature Preserve | 9am | (614)653-2541 | State |
| 13th | "Rim Eco-Walk" | Conkle's Hollow State Nature Preserve | 9am | (614)653-2541 | State |
| 16th | "The Geology of Rockbridge" | Rockbridge State Nature Preserve | 10am | (614)653-2541 | State |
| 20th | "A Hollow Welcome" | Conkle's Hollow State Nature Preserve | 10am | (614)653-2541 | State |
| September |
| 6th | "Historical Hollow Happenings" | Conkle's Hollow State Nature Preserve | 1pm | (614)653-2541 | State |
| 6-7th | "Crafts in the Hills" | Camp Fire Boys & Girls at Camp Wyandot | 10am | (614)927-0141 | Association |
| 20th | "Of Birds and Butterflies" | Rockbridge State Nature Preserve | 10am | (614)653-2541 | State |
| 20-21st | Hocking Hills Indian Run | Hocking Hills State Park | 9am | (800)462-5464 | HCTA |
| 27-28th | Hocking Hills Artists & Craftsmen Fall Show | Hocking Hills State Park Dining Lodge | Sat.10am,Sun.11am | (614)385-6512 | Association |
| October |
| 4th | Christmas Rocks Fall Color Trek | Christmas Rocks State Nature Preserve | Resv. | (614)653-2541 | State |
| 5th | "Walking Golden Fields" | Conkle's Hollow State Nature Preserve | 10am | (614)653-2541 | State |
| 18-19th | Hocking State Forest Fall Color Tour | Conkle's Hollow State Nature Preserve | 10:30am | (614)385-4402 | State |
| 25th | Rural Ohio Appalachia Revisited | Zaleski State Forest | 10am | (614)596-5781 | State |
| November |
| 15th | "November in the Gorge" | Conkle's Hollow State Nature Preserve | 1pm | (614)-653-2541 | State |
| December |
| Wk Ends | Santa Trains | Hocking Valley Scenic Railway, Nelsonville | All Day | (513)335-0382 | Business |