8
hikers
03:45
8.89km
750m
Hiking
Hike the Nephin via the South Trail for a moderate 5.5-mile climb to the summit, offering amazing 360-degree panoramic views.
Last updated: February 26, 2026
Waypoints
Start point
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2.88 km
Highlight • Climb
Tip by
4.37 km
Highlight • Summit
Tip by
8.89 km
End point
Way Types & Surfaces
Way Types
8.72 km
Surfaces
8.72 km
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Elevation
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Friday 10 July
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This route was planned by komoot.
The hike usually takes about 4 to 5 hours to complete. This estimate is for the full 8.9 km (approximately 5.5 miles) round trip, which includes a significant ascent of over 730 meters.
The terrain is quite varied and challenging. You'll start on a forest road, then follow a forest fence. As you ascend above the tree line, it becomes heather-clad and hillocky, with rocky outcrops and sections of scree or boulders. Be prepared for uneven and rough underfoot conditions, and potentially boggy areas, especially after rain. Near the summit, the gradient can ease, with a stony surface along a broad crest.
No, this trail is considered a challenging climb, often graded as 'Extra Difficult'. It requires a good level of fitness due to steep sections, loose shale near the top, and potentially indistinct trails. It's not recommended for beginners.
While specific parking areas aren't detailed, routes typically begin by entering a forest, suggesting parking would be available near the forest access points at the southern or southwestern base of Nephin. It's advisable to research local access points before your visit.
The trail itself offers a sense of remote wilderness. As you ascend, you'll pass the Nephin South Trail. From the summit of Nephin, you'll be rewarded with amazing 360-degree panoramic views. On a clear day, you can see vast tracts of moorland and blanket bog, the glaciated valley of Glen Nephin, Lough Conn, and even the mountains of Donegal, Connemara, the Nephin Beg range, the Ox Mountains, Achill Island, Croagh Patrick, and Clew Bay.
The best time to hike Nephin is generally during the drier months, typically late spring to early autumn (May to September), when weather conditions are more stable and the ground is less boggy. However, always check the local weather forecast immediately before your hike, as conditions can change rapidly on the mountain.
There is no mention of permits or entrance fees required to hike Nephin via the South Trail. It is generally accessible to the public.
While there's no explicit policy stated, given the remote and wild nature of the area, dogs are often permitted. However, it's crucial to keep dogs under strict control, preferably on a leash, due to potential livestock, ground-nesting birds, and the challenging terrain. Always practice Leave No Trace principles.
Given the challenging nature and remote feel of the trail, essential gear includes appropriate outdoor clothing (layers are key), waterproofs (jacket and trousers), sturdy hiking footwear with good ankle support, and sufficient food and water. Good navigation skills are also recommended, so bring a map and compass or a reliable GPS device.
Yes, hikers should be aware that there can be 'false summits' along the way, which might make the journey feel longer than anticipated. Keep pushing towards the true summit, marked by a trigonometrical point and a cairn, for the ultimate reward of the panoramic views.
Yes, Nephin is known for offering a more remote and wild feel compared to more frequented mountains like Croagh Patrick. Its imposing presence and the extensive, unspoiled wilderness of County Mayo contribute to a less crowded and more solitary hiking experience.
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