The tripoint of Denbighshire, Merionethshire and Montgomeryshire is on the summit of Moel Sych which is the county top of Montgomeryshire. Moel Sych is a mountain top on the ridge of the Berwyn Range, whose summit is the point where three shires meet.
- Counties: Denbighshire – Merionethshire – Montgomeryshire
- Tripoint Number: 1
- Dates Slept At: 28/29 June 2012
- Slept In: Bivy Bag
- Height: 827m
- Grid Reference:52°52’37“N, 3°23’20“W