
Diving atCapernwray (Jackdaw Quarry) (United Kingdom)
Capernwray (Jackdaw Quarry) serves as an accessible entry to inland diving in the UK. Once a limestone quarry in Lancashire, it now provides a well-equipped environment for divers of all experience levels. A structured setting supports both learning and recreational exploration. Essential facilities are conveniently located right at the water's edge, ensuring easy entry for training and leisure dives alike.
As evening covers Capernwray (Jackdaw Quarry), the local air temperature is measured at 12°C. The current wave height at the surface is recorded at 0.6 m. These late-day readings characterize the surface conditions for the night.
Dive Site Location & Key Facts
Everything you need to know about this dive site.
Dive Site Overview
Immersing oneself in Capernwray (Jackdaw Quarry) reveals a unique freshwater environment, entirely free from marine currents and tides. Established in 1995 on a former limestone quarry site in Lancashire, it has transformed into a diverse underwater landscape, carefully designed for exploration.
Underwater explorers encounter a fascinating array of purpose-sunk attractions, including multiple aeroplanes, helicopters, boats, and various statues, all providing varied navigation opportunities and points of interest. Divers can explore depths reaching a maximum of 22 meters (72 feet), which comfortably caters to most recreational diving certifications and a wide range of training courses, from open water to specialty wreck diving. Consistent visibility, a hallmark of Capernwray, supports reliable year-round exploration and instruction, rarely significantly impacted by surface weather.
Distinct shallow and deep zones exist, clearly separated by a submerged wall, enabling dynamic dive profiles as divers navigate between these areas through various gaps and passages. A truly excellent location for skill refinement, particularly benefiting those practicing navigation without the complexities of tidal movements found in ocean environments, the controlled environment further aids in buoyancy control practice.
Capernwray (Jackdaw Quarry)
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Capernwray (Jackdaw Quarry) show 12° air, 17° sea temperature, 0.8 m waves, and 12 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
Planning a visit to Capernwray benefits from considering seasonal conditions, although it supports diving year-round. May often provides excellent conditions, with air temperatures averaging around 13°C (55°F) and lower rain incidence. During the summer months, from June to August, air temperatures climb to averages of 15°C to 16°C (59-61°F), making surface intervals more comfortable, though rain averages around 4.1 to 5.1 mm (0.16-0.20 inches). For those preferring milder air, April and September generally offer good dive scores and pleasant conditions, with average air temperatures around 9°C (48°F) and 14°C (57°F), respectively. Winter months, like December, present more moderate conditions, with air temperatures dropping to approximately 7°C (45°F) and higher rain averages.
PEAK SEASON SCORE
Scores combine air & water temps, waves, wind & rainfall for overall conditions.
BEST MONTHS TO DIVE
Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.
Dive Experience & Conditions
Navigating Capernwray presents a flexible diving experience, with entry points ranging from a rocky beach to jetties and sloped access, accommodating various mobility levels. Once submerged, divers experience Capernwray's freshwater environment, recognized for its clear waters, providing good visibility for exploration. Underwater, a thoughtful structure divides the quarry into shallower and deeper sections, separated by a submerged wall, allowing for progression through different depths and skill practices. Terrain elements include remnants of the original quarry, alongside numerous intentional sinkings designed as exploration points. These features, such as sunken planes and boats, offer engaging structures for wreck diver training or simply for discovery, enriching the underwater journey.
Dive Difficulty & Safety Guidelines
Understanding the environment at Capernwray is key for divers of all levels, from beginners to experienced professionals. The site is designed with safety in mind, featuring structured training platforms ideal for instructional purposes. Given its quarry nature, there are no currents or tides to contend with, simplifying navigation, though divers should always be mindful of their air consumption and no-decompression limits. It's important to approach all underwater attractions responsibly, maintaining appropriate buoyancy to protect both yourself and the site's features. Divers are encouraged to practice good underwater navigation, and courses like PADI Underwater Navigator are highly beneficial here. Always dive within your certification limits and follow the guidelines set by the dive centre.
Recommended Equipment
Overhead / entanglement risk. Wreck penetration requires proper training.
- Dive Computer
- DSMB
- Primary & Backup Lights
- Wreck Reel
- Cutting Tool
- Hard-soled Dive Boots
This gear list is based on verified equipment signals for Capernwray (Jackdaw Quarry), United Kingdom. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
With water temperatures around 17°C (62°F), many divers find a 5-7mm wetsuit provides comfortable protection.
Local conditions can vary slightly across different parts of the same dive site.
Surface conditions are expected to warm up slightly in the coming days. A warming trend is expected over the next few days.
Due to technical issues with our weather providers, data hasn't been fetched for over 48 hours. The data above reflects the conditions at the time of the last successful fetch.
Emergency & Medical Support
Essential information to help you plan your dive trip to Capernwray (Jackdaw Quarry).

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.
Before diving, it's recommended to:
- confirm nearest medical facilities
- check emergency procedures with local dive operators
- ensure dive insurance covers evacuation if required
Divers Alert Network
Diving emergency assistance available through DAN Europe.
+39 0642115685- 24/7 emergency hotline
- Diving medical assistance
- Evacuation coordination
Emergency contacts are provided for reference. Always verify local emergency services before diving.
Closest Listed Hyperbaric Chambers
Showing listed hyperbaric chamber facilities within 200 km of this dive site.
Distances are approximate straight-line distances and may not reflect emergency travel time.
N W Emergency Recompression Unit
Thingwall Wirral, United Kingdom•Approx. 91 km straight-line
N W Emergency Recompression Unit
Facility Details
Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.
North of England Medical Hyperbaric Unit
Anlaby, Hull, United Kingdom•Approx. 157 km straight-line
North of England Medical Hyperbaric Unit
Facility Details
Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.
Marine Life at Capernwray (Jackdaw Quarry)
Beneath the surface, Capernwray's freshwater environment hosts a range of species that adapt to quarry conditions. Divers commonly encounter perch, trout, and roach throughout the site. Sturgeon are also a highlight, often observed by those exploring the deeper parts of the quarry. The presence of these species creates an engaging habitat within the man-made structures, offering opportunities for observing freshwater aquatic life during your dives. While not as diverse as marine ecosystems, the fish populations contribute to the site's appeal.
Dive Sites Near Capernwray (Jackdaw Quarry)
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Dive Centers Near Capernwray (Jackdaw Quarry)
Working Hours
Today: 09:00 - 17:00
Wrecks2Reefs
Fins Scuba
Nearest Airports
Nearest airports to help plan travel to this dive area.
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Search Flights on ExpediaFrequently Asked Questions
What is the maximum depth at Capernwray?
The maximum depth at Capernwray (Jackdaw Quarry) is 22 meters (72 feet). This depth makes it suitable for most recreational dive certifications and training.
What kind of attractions can I see underwater?
Capernwray features various purposely-sunk attractions, including aeroplanes, helicopters, boats, and several statues. These objects provide interesting navigation points and serve as platforms for wreck specialty training.
Are there tides or currents at Capernwray?
No, as an inland freshwater quarry, Capernwray is not affected by marine tides or currents. This makes it an ideal location for navigation practice and controlled training environments.
What marine life can be observed?
Divers can expect to see freshwater species such as perch, trout, and roach. Sturgeon are also commonly sighted within the quarry's ecosystem.
Is Capernwray suitable for beginner divers?
Yes, Capernwray is very suitable for beginner divers and training. It offers clear waters, structured entry points, and specific training platforms to support learning and skill development in a controlled environment.
What is the typical water temperature?
Specific water temperature data is not consistently reported, but as a UK inland quarry, expect cooler water temperatures throughout the year. A drysuit or a thick wetsuit is highly recommended for comfort.
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Capernwray (Jackdaw Quarry)
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Capernwray (Jackdaw Quarry) show 12° air, 17° sea temperature, 0.8 m waves, and 12 km/h wind. Forecast data is refreshed regularly to ensure accuracy.






