| Mynydd Tarw | |
| Elevation M: | 679 |
| Prominence M: | 44 |
| Listing: | Hewitt, Nuttall |
| Translation: | mountain of the bull |
| Language: | Welsh |
| Location: | Denbighshire / Powys, Wales |
| Range: | Berwyn range |
| Grid Ref Uk: | SJ 11265 32442 |
| Topo: | OS Landranger 125 |
Mynydd Tarw (in Welsh pronounced as /ˈmənɨð ˈtaru/) is a subsidiary summit of Cadair Berwyn in north east Wales. It used to have a top: Rhos which has now been deleted as a Nuttall.
The summit has a large shelter cairn. The views are extensive, with the lower; northern and western Berwyns visible, including Pen Bwlch Llandrillo. Cadair Berwyn, Godor, Moel yr Ewig and Foel Wen are also in view.[1]