Cwm Dwyfor Copper Mine Hard

Craig Cwm Silyn, Mynydd Tal-y-mignedd, Trum y Ddysgl and Mynydd Drws-y-coed

Bagging route Circular Dog friendly

4 Hewitts in Eryri (Snowdonia), climbed together from Cwm Dwyfor Copper Mine.

Distance
9.8 km
Ascent
970 m
Time
4–5.5 h
Grade
Hard
Route
Circular
High point
734 m
100 m450 m800 m0 km1 km2 km3 km4 km5 km6 km7 km8 km9 km

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Route mapped on from OpenStreetMap paths, with heights from EU-DEM terrain data; not yet checked on the ground by TRXO. Added to TRXO on . For planning only: always navigate with an up-to-date map such as OS Explorer or Harvey. How we make our routes.

About this walk

Craig Cwm Silyn, Mynydd Tal-y-mignedd, Trum y Ddysgl and Mynydd Drws-y-coed is a hard 9.8 km circular walk with 970 m of ascent, taking 4 to 5.5 hours. It starts at Cwm Dwyfor Copper Mine (grid reference SH 538 491). It climbs 4 listed hills, the highest Craig Cwm Silyn at 734 m.

Craig Cwm Silyn, Mynydd Tal-y-mignedd, Trum y Ddysgl and Mynydd Drws-y-coed are Hewitts in Eryri (Snowdonia), close enough to climb together. The highest, Craig Cwm Silyn, reaches 734 m (2,408 ft). Hewitts are the hills of England, Wales and Ireland over 2,000 ft (610 m) that rise at least 30 m above their surroundings.

From Cwm Dwyfor Copper Mine, tracks and paths lead most of the way, and the last climb is over rougher hill ground. It links the summits along the ridge between them, then returns to the start.

Great views Dog friendly

Route

  1. 1

    The approach

    From Cwm Dwyfor Copper Mine, follow the path and tracks towards Craig Cwm Silyn.

  2. 2

    The summits

    Climb Craig Cwm Silyn, then continue to Mynydd Tal-y-mignedd, Trum y Ddysgl and Mynydd Drws-y-coed.

  3. 3

    Return

    Descend and return to the start.

Summits

Hewitt Marilyn
Hewitt
Hewitt Marilyn
Hewitt

Questions about this walk

How long does Craig Cwm Silyn, Mynydd Tal-y-mignedd, Trum y Ddysgl and Mynydd Drws-y-coed take?
Most walkers take 4–5.5 hours for the 9.8 km route, which has 970 m of ascent. That allows for short stops; give yourself longer in winter, in poor weather or with a group.
Where does the walk start, and where can I park?
It starts at Cwm Dwyfor Copper Mine (grid reference SH 538 491). Park considerately off the road; don't block gates, passing places or farm tracks.
Can I get there by public transport?
Not easily: there's no regular bus or train to the start, so you'll need a car, a lift or a long walk in.
How hard is it?
It's graded hard. Paths and tracks for most of the way, then rough hill ground near the summit.
Which hills does it climb?
Craig Cwm Silyn (734 m, Hewitt); Trum y Ddysgl (710 m, Hewitt); Mynydd Drws-y-coed (697 m, Hewitt); Mynydd Tal-y-mignedd (654 m, Hewitt).
Can I take my dog?
Yes, dogs are welcome on this walk. Before you go: Sheep graze the lower slopes: keep dogs on a lead, especially during lambing (April and May).

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