Marilyn · Outer Hebrides
Triuirebheinn
Triuirebheinn — the hill of the three — sits in southern South Uist between Loch Boisdale and the empty east coast glens. Its 357m summit overlooks deserted clearance villages where families once worked the thin soils.
Quick facts
- Height
- 357m/ 1171ft
- Grid ref
- NF 81276 21260
- Dogs
- Dogs on lead required near livestockDog-friendly guide ↗
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Standard route
blanket bog 50% · Lewisian gneiss 35% · rocky summit 15%
From the B888 near Loch Boisdale, follow the burn east into Glen Liadale and pick a line up the western flank to the broad summit. Around three to four hours covers the round trip with steady navigation.
Terrain
Hummocky moor laced with peat hags, opening onto a flat summit plateau of cropped grass and bedrock. The going eases noticeably above the 250m contour.
In winter
Hebridean winters here mean horizontal rain and gales rather than snow. Watch for swollen burns on the approach and short midwinter daylight that bites quickly at this latitude.
Best time of year
Getting there
- Glasgow9h 32m
- Edinburgh11h 2m
Ferry access
Oban → Lochboisdale (South Uist)
- Crossing time225 min
- Summer sailings1 sailing daily plus additional weekend sailings (Apr–Oct)
- Winter sailings4–5 sailings per week (Nov–Mar)
- Book ahead14 days
Plan an overnight stay. Alternative: Uig (Skye) → Lochmaddy (North Uist) then drive south across the causeways.
Book on CalMac ↗OS maps: OS Landranger 31, OS Explorer 453S
Mobile signal: Poor. EE absent; bring offline maps for this trackless North Uist hill.
Current conditions
Daylight Today
- Sunrise
- 04:33
- Sunset
- 22:27
- Civil dawn
- 03:24
- Civil dusk
- 23:36
NOAA Solar Calculator · 16 June 2026
Triuirebheinn — common questions
- How hard is Triuirebheinn?
- Triuirebheinn is rated 1/5 (easy) on the OutdoorSCOT scale. Terrain: Hummocky moor laced with peat hags, opening onto a flat summit plateau of cropped grass and bedrock.
- When is the best time to climb Triuirebheinn?
- The standard good-weather months for Triuirebheinn are March, April, May, June, July, August, September, October. Outside those months, expect winter conditions on the high ground — full mountain kit, navigation skills, and a check of the SAIS avalanche forecast for the relevant region.
- Can I bring my dog up Triuirebheinn?
- Yes, but dogs must be kept on a lead — there is livestock or ground-nesting bird interest on the route.
- Is there mobile signal on Triuirebheinn?
- Poor. EE absent; bring offline maps for this trackless North Uist hill.
- How do I get the ferry to Triuirebheinn?
- Oban → Lochboisdale (South Uist). 1 sailing daily plus additional weekend sailings (Apr–Oct) in summer; 4–5 sailings per week (Nov–Mar) in winter. Book at least 14 days ahead. Plan an overnight stay. Alternative: Uig (Skye) → Lochmaddy (North Uist) then drive south across the causeways.
- Is Triuirebheinn safe in winter?
- Hebridean winters here mean horizontal rain and gales rather than snow. Watch for swollen burns on the approach and short midwinter daylight that bites quickly at this latitude.
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