Diving atCromhall (United Kingdom)
Beneath the surface of Cromhall Quarry, a network of sunken objects creates an intriguing landscape for divers. This flooded limestone quarry has been transformed into an accessible training ground and recreational site. Explorers navigate among submerged vehicles and varied structures, offering a distinct experience within its maximum depth of 18 m (59 ft). It serves as an underwater playground for skill development and discovery.
The latest environmental reading at Cromhall indicates an air temperature of 8.4°C. The regional climate in United Kingdom is aligning with expected historical averages. Prepare your gear according to these specific local conditions.
Dive Site Coordinates
51.6236, -2.4260
Dive Site Characteristics
Key Dive Site Facts
Dive Site Overview
What sets Cromhall Quarry apart is its dual role as a dynamic training facility and a rewarding recreational dive site. This inland freshwater quarry provides a controlled environment, ideal for open water training, rescue practice, and a range of specialty courses like dry suit diving or underwater navigation.
Divers benefit from flexible access options, including a shallow beach entry for ease of use or deeper water pontoons for more direct descent. The site's clear, limestone-filtered waters allow for good visibility, revealing numerous submerged attractions, including various vehicles and designed underwater landscapes.
With dive sessions typically held on Saturdays and Sundays, and a limit of 75 divers per session, it's advisable to book ahead to secure your spot. Essential on-site facilities like toilets, changing rooms, and cylinder filling services enhance the diving experience.
Best Time to Dive
Planning a dive at Cromhall Quarry is largely flexible, given its year-round suitability, though specific conditions can enhance the experience. The site sees consistent 'Good' dive scores throughout the year, indicating reliable conditions for activity. Air temperatures range significantly, from an average of 4.3°C (39.7°F) in January, gradually climbing to 17.1°C (62.8°F) by July and August, then tapering down towards winter. Rainfall, while present year-round, is generally lower in late spring and early summer, potentially contributing to more comfortable surface conditions. Sessions are generally available on weekends, from an 08:30 arrival to a 16:30 departure, allowing ample time for exploration and training. Booking is crucial, as the number of divers is capped to ensure a quality experience for everyone.
Climate Historical Averages
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
Entering the waters of Cromhall Quarry, divers immediately notice the limestone-filtered clarity, which often provides good visibility through the freshwater environment. The site presents a maximum depth of approximately 17-18 m (56-59 ft), allowing for extensive recreational depth exploration. Throughout the year, water temperatures vary, being colder in winter and gradually warming up in the summer months, though precise water temperature data is not consistently reported. Divers can start their underwater journey from either a gentle sloping beach, perfect for training and easier access, or utilize dive platforms and steps from pontoons for deeper entries. The underwater landscape, featuring submerged vehicles and structures, offers a variety of navigational challenges and points of interest.
Dive Difficulty & Safety Guidelines
Ensuring a safe dive at Cromhall Quarry begins with understanding its operational framework; it functions as a dedicated dive site, not a school, though it proudly hosts numerous clubs and training organizations. Divers must be at least 10 years old to enter the water. It's imperative for all divers to plan their dives with a buddy and adhere to standard recreational diving practices. The site maintains excellent water quality through regular testing, supporting a safe environment. Additionally, on-site facilities include air fills and equipment servicing, providing essential support for divers. Always check current operating hours and book sessions in advance, as attendance is limited.
Recommended Equipment
No verified equipment items yet.
Verified equipment recommendations for this dive site are being reviewed and may be added as additional source checks are completed.
Recommended Dive Suit
Exposure protection is partly a personal preference.
7mm wetsuit or semidry typically provides a reliable level of thermal protection for dives here. Strong cold advisory: dress warmly immediately after exiting the water. Environmental models indicate a modest warming trend ahead. A warming trend is expected over the next few days.
Water temperatures across the dive area at Cromhall are presently estimated to be around 13°C (55°F). Surface air temperatures are resting at 8°C (47°F).
Conditions last reviewed: 18:00 using the latest environmental data.
Dive Logistics & Preparation
Hyperbaric Chamber
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Entry Requirements
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Currency
GBP
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Marine Life at Cromhall
While Cromhall Quarry is primarily valued for its unique underwater structures and training potential, it also supports a freshwater ecosystem. Specific marine life highlights are not consistently reported for this quarry environment. Divers exploring the various submerged attractions and landscapes might observe the fish species and aquatic invertebrates typical of such an inland freshwater setting. The focus here often shifts from diverse coral reefs to the unique interactions within a quarry habitat.
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Frequently Asked Questions
What is the maximum depth at Cromhall Quarry?
Cromhall Quarry offers a maximum diving depth of approximately 17-18 meters (56-59 feet). Depths can vary slightly depending on seasonal conditions.
What type of water is found at the quarry?
Cromhall Quarry features limestone-filtered freshwater, often described as clear, contributing to good visibility for divers.
Are there facilities on site for divers?
Yes, essential facilities like toilets and changing rooms are provided at the quarry. Cylinder filling services are also available on site.
Is Cromhall Quarry suitable for beginners?
Absolutely. With a shallow beach entry and a controlled environment, Cromhall Quarry is frequently used for open water training and is suitable for divers of all levels, including beginners.
What are the typical diving hours?
Dive sessions at Cromhall Quarry usually take place on Saturdays and Sundays. Divers can arrive from 08:30 and must be off-site by 16:30.
Is membership required to dive?
No membership is required to dive at Cromhall Quarry. It is open to everyone, though booking a session online in advance is recommended due to diver limits.
Can I get air fills on site?
Yes, the quarry has an IDEST-certified Technical Services Department that provides air fills, oxygen, nitrox, and mixed gas fills for cylinders.
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