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Lake

Coire-Fionn Lochan

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About

Lovely granite shingle beach with gentle walk-in to the loch, about 30m before it’s deep enough to swim. About 500m to swim round the loch. Fairly shallow at the edges, watch out for submerged boulders. Deep in the middle

Location

Getting there

Small parking space on road at Thundergay, about 5 miles south of Lochranza or you may be able to get a local bus. Walk about 300m south of the parking area to track up the hill, signposted by a post box then around 2.5km up stony track to the loch. It’s worth the effort

Accessibility

Steep walk to loch, easy walkin to water. No currents but could be exposed to wind in poor weather. A long way from help & no lifeguards!

What swimmers say

Activities

Paddling Picnic Dogs Suitable for kids Swimming Skinny dip Long swim Walking

Landscape

Gentle slope Has a beach Mountain views Pebbles Sunrise Sunset Quiet location

Water sports

Swim run

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Plan your swim

Before you go

  • Cold water shock is real. Enter slowly and control your breathing.
  • Lake water can be much colder below the surface (thermocline)
  • Stay close to shore until you know the conditions
  • Watch for boat traffic and stay visible with a tow float
  • Check for blue-green algae warnings before swimming

Conditions change fast. Always check the latest data, read recent community reports, and swim within your ability.

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Share conditions, tips, or hazards to help other swimmers plan their visit to Coire-Fionn Lochan.

Frequently asked questions

Is this lake safe for swimming?

Check the Conditions tab for surface state and wind conditions. Review the Quality tab if this is a designated bathing water. Always read recent community reports for local advice.

How cold is the water?

Check the Temperature tab for the current estimate and 7-day trend. Lakes hold heat longer than rivers but can develop a thermocline. The water below the surface can be dramatically colder.

What should I bring?

A tow float for visibility (especially important where boats operate), warm layers for after, and consider a wetsuit in colder months. Check for designated swimming areas.