59m
    Northumberland & Northeast, United Kingdom
    Holyhead Mountain

    Oliver Cromwell

    Protected Area

    Holyhead Mountain

    Why dive here

    With 118+ marine species recorded in the area - including dolphins, dwarf minke whales, humpback whales, ocean sunfish (mola mola) and orcas - Oliver Cromwell offers some of Northumberland & Northeast's richest wreck diving.

    Marine lifeDolphins, Dwarf Minke Whales, Humpback Whales, Ocean Sunfish (Mola Mola) and Orcas · 118+ species recorded
    CharacterWreck dive · max 59m
    StandoutRich in charismatic marine life

    The Oliver Cromwell. Ah, she’s a proper dive, isn't she? Lying at 59 metres, this trawler wreck in the North Sea is for those who appreciate deep, challenging dives. We think the Cromwell really shines on a day with good visibility, letting you take in the sheer scale of her. You’ll find her mostly intact, lying on her port side, giving you plenty of structure to explore. We’ve spent hours poking around her engine room and hold, imagining the rough life these North Sea trawlers had. What we really love about the Cromwell is the sheer volume of life that’s made her home. Expect to see schools of bib swirling around the superstructure, their silver scales catching the torchlight. Ling often lurk in the deeper sections, and if you’re patient, you might spot a wolfish eyeing you from a dark crevice. Our top tip? Get there early on a slack tide, before other boats stir up the sediment. That way, you get the clearest shot at appreciating this historical wreck. It’s a dive that rewards experience and good planning, and we rate it as one of the best deep wrecks off the Northumberland coast.

    Typical Oliver Cromwell Dive Profile

    15m30m45m60mSafety Stop0m59m max~15 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Safety Notes

    Maximum depth 59m exceeds recreational limits (40m). Technical diving certification and equipment required.

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today06:4017:3610h 56m daylightGolden hour 16:48

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