| Major basin dimensions | Basin shape | |||||||||
| Area (A) | Perimeter (P) | Length “L” (maximum) | Width “W” (maximum) | Average altitude | Slope | L/W | A/P | E | F | K |
| 143 km | 84 km | 26.5 km | 9.8 km | 653 m | 14˚ | 2.7:1 | 1.7:1 | 0.51 | 0.2 | 1.99 |