| Caban Coch with Garreg Ddu | Pen y Garreg | Craig Goch | Claerwen | |
| Height (metres) | 37 | 37 | 36 | 56 |
| Dam length (metres) | 186 | 161 | 156 | 355 |
| Top water level (metres above sea level) | 250.5 | 288 | 317 | 368.8 |
| Reservoir area (hectares) | 202 | 50 | 88 | 263 |
| Capacity (Megalitres) | 35,530 | 6,055 | 9,222 | 48,300 |
| Shape | straight | straight | curved | curved |
Specifications
Contact
Elan Valley Visitor Centre
Elan Valley
RHAYADER
Powys
LD6 5HP
Tel: 44 (0) 1597 810880
Contact Form
Elan Valley Visitor Centre
Elan Valley
RHAYADER
Powys
LD6 5HP
Tel: 44 (0) 1597 810880
Contact Form
