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Route outline for walk gw159:

- Maes-y-garnedd  -   Nantcol  -   Rhinog Fawr  -   Bwlch Drws-Ardudwy  -   Rhinog Fach  -   Llyn Hywel  -   Y Llethr  -   Crib-y-rhiw  -   Diffwys  -   Diffwys (West Top)  -   Llyn Bodlyn  -   Cil-cychwyn  -   Pont Cerrig  -   Afon Cwmnantcol  -   Cwm Nantcol  -   Maes-y-garnedd.

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Peak Bagging Statistics for this walk:

4 Welsh Mountains

0 Wainwrights

6 Welsh Nuttalls

0 Welsh Deweys

0 Wainwright Outlying Fells

2 Welsh Marilyns

0 Bridgets

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The highest point of this walk is Y Llethr at 756m (2481ft). Y Llethr is classified as a Welsh Mountain (Hewitt) (49th highest in Wales, 116th highest in England & Wales) and a Wainwright (No. ). Y Llethr is also known as a Welsh Nuttall (59th in Wales, 139th in England & Wales). Y Llethr is classified as a Marilyn (21st highest in Wales, 472nd highest in the UK).

Completing this walk also take you to the top of Diffwys, 750m (2462ft). Diffwys is classified as a Welsh Mountain (Hewitt) (52nd highest in Wales, 121st highest in England & Wales) and a Wainwright (No. ). Diffwys is also known as a Welsh Nuttall (63rd in Wales, 147th in England & Wales).

You will also reach the summit of Rhinog Fawr, 720m (2363ft). Rhinog Fawr is classified as a Welsh Mountain (Hewitt) (62nd highest in Wales, 148th highest in England & Wales) and a Wainwright (No. ). Rhinog Fawr is also known as a Welsh Nuttall (76th in Wales, 183rd in England & Wales). Rhinog Fawr is classified as a Marilyn (30th highest in Wales, 546th highest in the UK).

Along the way you will also bag Rhinog Fach, 712m (2337ft) - a Welsh Mountain (Hewitt) (64th Wal, 157th Eng & Wal) and a Welsh Nuttall (81st Wal, 197th Eng & Wal); Crib-y-rhiw 670m (2199ft) - a Welsh Nuttall (117th Wal, 287th Eng & Wal) and Diffwys (West Top) 642m (2107ft) - a Welsh Nuttall (147th Wal, 347th Eng & Wal).

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For more details about what constitutes a Mountain and Mountain & Hill Classifications see: Peaks & Mountains.

For more details about peak bagging and how to record your achievements see: Peak Bagging.

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This walk is on Ordnance Survey Maps:

OS Explorer Map OL18

1:25,000 scale (Orange Covers)

OS Landranger Map 124

1:50,000 scale (Pink Covers)

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. . . load all 34 walk photos from Walk gw159 Rhinog Fawr, Rhinog Fach, Y Llethr and Diffwys from Cwm Nantcol

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