Throughout my caving career, I have been involved in the original exploration of the following passage:
| Length | Cave | Area | Comment |
|---|---|---|---|
| Over 1287 m | Ogof Draenen | Hexamine Highways | Over 1 km |
| Dogleg Complex | 85 m | ||
| Black Beetle side passages | 71 m | ||
| Under Underworld | Over 50 m | ||
| Wyvern Extensions | Over 30 m | ||
| end of Luck Of The Draw | Over 20 m | ||
| start of Luck Of The Draw | About 20 m | ||
| Midwinter Chambers | 4 m | ||
| End of Gore Blimey | About 3 m | ||
| Agent Blorenge II | About 2 m | ||
| The Score | About 2 m | ||
| Over 105 m | Crescent Cave | The Upper Level | Over 50 m |
| The Main Level - Right | About 20 m | ||
| The Main Level - Left | 15 m | ||
| The Highest Level | About 10 m | ||
| The Highest Level | 8 m | ||
| The Middle Level | Over 2.5 m | ||
| About 80 m | Ogof Pen Maelor | All of it | |
| Over 22 m | Carno Adit (all totally excavated) | Beyond Spurious | Over 20 m |
| Spurious | 2 m | ||
| About 10 m | Carno | near Dune Chamber | Including a 4 m pot too tight 10 m to water |
| 2.5 m | Tarquin Hole | All | Single drop |