Tanygrisiau via Cwmorthin and Rhosydd up Cnicht North Top: route map, distance and time

690 m · Snowdonia

A hard mountain walk to the summit from Tanygrisiau public path to Cwmorthin.

Tanygrisiau via Cwmorthin and Rhosydd starts at about 226 m and gains 431 m over 6.7 km to 643 m on the track. The first 2 km are the easy part, averaging 5%. The steepest kilometre is the one ending at 3 km, which climbs 119 m at an average of 12%, with a 500 m stretch from 2.3 km at about 19%. The final 0.7 km eases to the top.

Tanygrisiau via Cwmorthin and Rhosydd at a glance

Distance6.7 km one way, to the top
Ascent510 m
Climb on the track431 m up, 12 m down on the way
Start and top of the track226 m to 651 m (summit 690 m)
Steepest 500 mAbout 19%, from 2.3 km
Steeper than 1 in 56% of the way
Time up2h 10m by Naismith's rule
There and back3h 30m, down the same way
GradeHard
StartTanygrisiau public path to Cwmorthin, LL41 3ST
Start grid referenceSH 682 451
Summit grid referenceSH 647 468
ParkingCwmorthin car park, Tanygrisiau; the postcode is approximate

Tanygrisiau via Cwmorthin and Rhosydd 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 226 m6.7 km to the top
Start grid ref SH 682 451 · Driving directions · By bus or train

Near the start

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

Download the Tanygrisiau via Cwmorthin and Rhosydd 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.

Tanygrisiau via Cwmorthin and Rhosydd 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 km319 m+93 m9%SH 680 458
2 km331 m+12 m1%SH 672 464
3 km449 m+119 m12%SH 665 462
4 km518 m+69 m7%SH 659 465
5 km562 m+44 m4%SH 659 474
6 km623 m+61 m6%SH 652 473
6.7 km643 m+20 m3%SH 648 468

How long Tanygrisiau via Cwmorthin and Rhosydd takes

PaceTo the topThere and back
Brisk 6 km/h, 8 min per 100 m up1h 50m2h 55m
Steady (Naismith) 5 km/h, 10 min per 100 m up2h 10m3h 30m
Relaxed 4 km/h, 12 min per 100 m up2h 40m4h 20m

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 07:49, sunset 18:12. Start by 13:42 to be down before dark, allowing 3h 30m for the walk and an hour for stops.
  • Tomorrow: sunrise 07:51, sunset 18:10. Start by 13:40 to be down before dark, allowing 3h 30m for the walk and an hour for stops.

Cnicht North Top summit weather for this route

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

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

About Cnicht North Top

More about Cnicht North Top, with the live forecast.

Challenges that include Cnicht North Top

More walks from Tanygrisiau public path to Cwmorthin

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

Other routes up Cnicht North Top

RouteDistanceAscentTime upGrade
Croesor via Cnicht south-west ridge3.5 km one way550 m1h 35mHard

In an emergency

Call 999, ask for the police and then mountain rescue. Give your location (the start is at SH 682 451, the summit at SH 647 468), 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.

Tanygrisiau via Cwmorthin and Rhosydd: questions and answers

How far is Tanygrisiau via Cwmorthin and Rhosydd?

Tanygrisiau via Cwmorthin and Rhosydd is 6.7 km one way to the summit of Cnicht North Top, with 510 m of ascent. There and back by the same way is about 13.4 km.

How long does Tanygrisiau via Cwmorthin and Rhosydd take?

About 2h 10m to the summit of Cnicht North Top and 3h 30m 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 4h 20m for the round trip.

How steep is Tanygrisiau via Cwmorthin and Rhosydd?

The steepest 500 m averages about 19%, starting 2.3 km from the start, and 6% of the way is steeper than 1 in 5. Tanygrisiau via Cwmorthin and Rhosydd climbs 431 m in all on the track.

Where do you park for Tanygrisiau via Cwmorthin and Rhosydd?

Tanygrisiau via Cwmorthin and Rhosydd starts from Tanygrisiau public path to Cwmorthin (postcode LL41 3ST). The grid reference is SH 682 451. Cwmorthin car park, Tanygrisiau; the postcode is approximate

Is Tanygrisiau via Cwmorthin and Rhosydd 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 Tanygrisiau via Cwmorthin and Rhosydd today?

By 13:42 at the latest. Sunset on Cnicht North Top today is 18:12, Tanygrisiau via Cwmorthin and Rhosydd takes about 3h 30m there and back, and that leaves an hour for stops. Start earlier in winter or if the forecast turns.

Is there a GPX for Tanygrisiau via Cwmorthin and Rhosydd?

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.