From the Clare Island harbour up Knockmore: route map, distance and time

462 m · South Mayo and Central Galway · OS grid L669861

Knockmore is the 462 m high point of Clare Island at the mouth of Clew Bay in County Mayo, reached by ferry and climbed for its sea cliffs and island views.

Walk west along the island roads and tracks, then climb the open slopes to the summit. Grass and heather with no made path near the top.

From the Clare Island harbour at a glance

Distance3.3 km one way, to the top
Ascent377 m
Time up1h 15m by Naismith's rule
There and back1h 55m, down the same way
GradeModerate
StartClare Island ferry pier
Summit grid referenceL669861

From the Clare Island harbour map

The start (green) and the summit (blue). Peakify has no GPX track for this route yet, so follow the description and your map.

Height profile and getting to the start

How long From the Clare Island harbour takes

PaceTo the topThere and back
Brisk 6 km/h, 8 min per 100 m up1h 5m1h 35m
Steady (Naismith) 5 km/h, 10 min per 100 m up1h 15m1h 55m
Relaxed 4 km/h, 12 min per 100 m up1h 35m2h 25m

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 08:13, sunset 18:36. Start by 15:41 to be down before dark, allowing 1h 55m for the walk and an hour for stops.
  • Tomorrow: sunrise 08:15, sunset 18:34. Start by 15:39 to be down before dark, allowing 1h 55m for the walk and an hour for stops.

Knockmore summit weather for this route

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

About Knockmore

Knockmore is the 462 m high point of Clare Island at the mouth of Clew Bay in County Mayo, reached by ferry and climbed for its sea cliffs and island views. More about Knockmore, with the live forecast.

On the lists: Marilyn.

In an emergency

Call 999, ask for the police and then mountain rescue. Give your location, 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.

From the Clare Island harbour: questions and answers

How far is From the Clare Island harbour?

From the Clare Island harbour is 3.3 km one way to the summit of Knockmore, with 377 m of ascent. There and back by the same way is about 6.6 km.

How long does From the Clare Island harbour take?

About 1h 15m to the summit of Knockmore and 1h 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 2h 25m for the round trip.

Where do you park for From the Clare Island harbour?

From the Clare Island harbour starts from Clare Island ferry pier.

Is From the Clare Island harbour suitable for beginners?

Yes, for fit walkers on a clear day. Peakify grades it Moderate: a long climb on a made path, but the top is high, exposed and colder than the start. Turn back if the cloud comes down and you can't navigate.

What time should I start From the Clare Island harbour today?

By 15:41 at the latest. Sunset on Knockmore today is 18:36, From the Clare Island harbour takes about 1h 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 From the Clare Island harbour?

Not yet. The Peakify iPhone app can plan the route and export a GPX (Peakify Pro).