Nant Gwernol and Bryn Eglwys forest paths up Tarrenhendre: route map, distance and time

634 m · Snowdonia

A hard mountain walk to the summit from Abergynolwyn village hall car park (Y Canolfan Gymunedol).

Nant Gwernol and Bryn Eglwys forest paths starts at about 39 m and gains 587 m over 4.8 km to 627 m on the track. The first 3 km are the easy part, averaging 9%. The steepest kilometre is the one ending at 4.8 km, which climbs 197 m at an average of 24%, with a 500 m stretch from 4.2 km at about 34%. That last pull ends at the summit. About 19% of the way is steeper than 1 in 5, so expect hands-on-knees going and a slow descent.

Nant Gwernol and Bryn Eglwys forest paths at a glance

Distance4.8 km one way, to the top
Ascent600 m
Climb on the track587 m up, 0 m down on the way
Start and top of the track39 m to 628 m (summit 634 m)
Steepest 500 mAbout 34%, from 4.2 km
Steeper than 1 in 519% of the way
Time up2h 0m by Naismith's rule
There and back2h 55m, down the same way
GradeHard
StartAbergynolwyn village hall car park (Y Canolfan Gymunedol), LL36 9UU
Start grid referenceSH 677 069
Summit grid referenceSH 682 041
ParkingAbergynolwyn village hall car park (Y Canolfan Gymunedol)

Nant Gwernol and Bryn Eglwys forest paths map

The track from the start (green) to the summit (blue), with a marker at each kilometre.

Height profile and getting to the start

Start 39 m4.8 km to the top
Start grid ref SH 677 069 · Driving directions · By bus or train

Near the start

From OpenStreetMap, within 2 km. Check opening times before you rely on them.

Download the Nant Gwernol and Bryn Eglwys forest paths GPX

Ascent only: plan your way down. A planning track, not checked on the ground; it doesn't show safe scrambling moves. Track data © OpenStreetMap contributors (ODbL), heights from a terrain model.

Nant Gwernol and Bryn Eglwys forest paths kilometre by kilometre

Height, climb and average gradient for each kilometre of the track, with a grid reference at the end of each one to check your position on the map.

AtHeightClimbGradientGrid ref
1 km138 m+99 m10%SH 683 063
2 km235 m+97 m10%SH 684 057
3 km298 m+63 m6%SH 676 054
4 km429 m+131 m13%SH 678 047
4.8 km627 m+197 m24% steepSH 682 041

How long Nant Gwernol and Bryn Eglwys forest paths takes

PaceTo the topThere and back
Brisk 6 km/h, 8 min per 100 m up1h 35m2h 25m
Steady (Naismith) 5 km/h, 10 min per 100 m up2h 0m2h 55m
Relaxed 4 km/h, 12 min per 100 m up2h 25m3h 35m

Times leave out stops. Coming down the same way, the table counts the ascent once; steep descents on rough ground can be as slow as the climb.

  • Today: sunrise 07:05, sunset 16:53. Start by 12:58 to be down before dark, allowing 2h 55m for the walk and an hour for stops.
  • Tomorrow: sunrise 07:06, sunset 16:52. Start by 12:57 to be down before dark, allowing 2h 55m for the walk and an hour for stops.

Tarrenhendre summit weather for this route

There is no recent summit forecast cached for Tarrenhendre right now. The main Tarrenhendre page loads the live forecast when you open it. Open the live Tarrenhendre forecast.

Before you go, also check: MWIS Snowdonia forecast · Met Office mountain forecast.

About Tarrenhendre

More about Tarrenhendre, with the live forecast.

Challenges that include Tarrenhendre

More walks from Abergynolwyn village hall car park

Routes in Peakify's guides that start within 500 m of this one, for another day from the same car park.

Other routes up Tarrenhendre

RouteDistanceAscentTime upGrade
Abergynolwyn station and southern ridge7.2 km one way——Hard

In an emergency

Call 999, ask for the police and then mountain rescue. Give your location (the start is at SH 677 069, the summit at SH 682 041), what happened and how many are in your group. If you have no signal for a call, a text to 999 works once you have registered your phone with emergencySMS: text "register" to 999 before you go.

Nant Gwernol and Bryn Eglwys forest paths: questions and answers

How far is Nant Gwernol and Bryn Eglwys forest paths?

Nant Gwernol and Bryn Eglwys forest paths is 4.8 km one way to the summit of Tarrenhendre, with 600 m of ascent. There and back by the same way is about 9.6 km.

How long does Nant Gwernol and Bryn Eglwys forest paths take?

About 2h 0m to the summit of Tarrenhendre and 2h 55m there and back by Naismith's rule (5 km/h plus 10 minutes per 100 m of ascent), before stops. A relaxed group takes nearer 3h 35m for the round trip.

How steep is Nant Gwernol and Bryn Eglwys forest paths?

The steepest 500 m averages about 34%, starting 4.2 km from the start, and 19% of the way is steeper than 1 in 5. Nant Gwernol and Bryn Eglwys forest paths climbs 587 m in all on the track.

Where do you park for Nant Gwernol and Bryn Eglwys forest paths?

Nant Gwernol and Bryn Eglwys forest paths starts from Abergynolwyn village hall car park (Y Canolfan Gymunedol) (postcode LL36 9UU). The grid reference is SH 677 069. Abergynolwyn village hall car park (Y Canolfan Gymunedol)

Is Nant Gwernol and Bryn Eglwys forest paths suitable for beginners?

Not as a first mountain. Peakify grades it Hard: steep, rough ground where a slip matters. Build up on an easier route first.

What time should I start Nant Gwernol and Bryn Eglwys forest paths today?

By 12:58 at the latest. Sunset on Tarrenhendre today is 16:53, Nant Gwernol and Bryn Eglwys forest paths takes about 2h 55m there and back, and that leaves an hour for stops. Start earlier in winter or if the forecast turns.

Is there a GPX for Nant Gwernol and Bryn Eglwys forest paths?

Yes. Download it from this page. It is an ascent-only planning track from the start to the summit, plotted on OpenStreetMap paths and not checked on the ground.