
Plymouth Sound & HMS Scylla · United Kingdom · Wreck
Glen Strathallan
A luxury steam yacht scuttled near the Shag Stone for divers
Photo: HannahHawke · CC BY-SA 2.0
The Glen Strathallan is a luxury steam yacht that was towed out of Plymouth and scuttled near the Shag Stone in 1970 as a site for scuba diving. Her triple expansion steam engine is now on display in the Science Museum, London.
Also known as Glen Strathallen.
Where it is and how deep
50.3197° N, 4.1290° WApproximate position — the dashed circle shows where the site lies; your operator's briefing has the mooring.
The dive
Sunk on 27 April 1970 after being towed out of Plymouth, the yacht still lies on the sandy bottom just off the Shag Stone in approximately 15 m of water, a wreck put there for divers to visit.
The wreck
- Vessel
- Glen Strathallan
- Type
- Luxury steam yacht
- Sunk
- 1970
- Cause
- Scuttled as a site for scuba diving
- Lies
- On a sandy bottom just off the Shag Stone in approximately 15 m of water
Marine life and season
The sources we used don't single out particular species here.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Good | Good | Good | Good | Good | Good | Prime | Prime | Prime | Good | Good | Good |
Season follows Plymouth Sound & HMS Scylla: Diving runs all year when the wind allows; July to September brings the warmest water and the blue shark snorkel trips.
Photos from Glen Strathallan
HannahHawke · CC BY-SA 2.0
Dive videos
Tour of the Glen Strathallan · underwaterpics on YouTube
Sources
- Glen Strathallen — ScubaGo
- Shag Stone — ScubaGo
- Plymouth Sound — Wikipedia
Photo credits
- Green and red seaweed growing thickly over yellow-encrusted rock in green water by HannahHawke, CC BY-SA 2.0, via Wikimedia Commons
- A large brown kelp frond with a small starfish on it, in hazy green water by HannahHawke, CC BY-SA 2.0, via Wikimedia Commons
More dive sites in Plymouth Sound & HMS Scylla
Old diver-training rigs and wreckage scattered around the base of a sea fort
Walls of jewel anemones with sea fans on the boulders below
A whole frigate laid down on sand as Europe's first artificial diving reef
A Liberty ship that went down in the Second World War, beside the Scylla
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