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Cromhall Diving Centre

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Cromhall Quarry has 9.5 acres of water and is only 1.5 miles from J14 of the M5.

The slightly undulating rock bottom gives an ideal training depth of 17 metres. It slopes upwards to the former haul road entry, giving a shallow beach area allowing easy access and egress for entry-level dive trainees and rescue training.

At the north end of the quarry is a pontoon floating in 15 metres of water that has been specifically designed for ease of use by divers.

The former limestone quarry has filled naturally, with underwater visibility during April 2012 of up to 5-6 metres, which is expected to rise to 8-10 metres during the Summer.

The water quality when sampled at the beach area on the 13th April 2011 was Excellent with respect to “Water Resources, The Bathing Water Regulations, 2008 No 1097” (E coli & Enterococci Nil).

Gun Turret Arrives at Cromhall

Cromhall Diving Centre has taken delivery of an ex Royal Navy decommissioned Mk 8 4.5" Gun Shield (Turret) - pictured below.

The fibreglass gun shields were fitted for weather protection on Frigates and Destroyers and have been superseded with more angular gun shields to reduce radar signatures.

The shield will be cleaned and sunk during October/November for divers to enter, possibly with a dummy gun barrel!

The gun shield will join shipping containers, a few phone boxes, a number of boats, and an aircraft cockpit.

Opening Times & Qualifications

We welcome qualified and trainee divers for diving every Saturday, Sunday or Bank Holiday Mondays and on Thursday evenings between May and September.

Opening times:

  • Winter 9am to 3pm, everyone to clear site by 4pm.
  • Summer 9am to 4pm, divers to clear site by 5pm.
  • Thursday Evenings 5.30-9pm (Thursday evening opening finishes on 12th September)
  • Christmas/New Year opening 2013/14: The site will be closed on the Saturday 21st December 2013, and will re-open on Saturday 11th January 2014.

Entry Fees for Divers

  • Weekends/Bank Holidays Diving £13.00
  • Thursday Evenings Diving £10.00
  • Swimming/snorkelling/free diving £5.00

The site is open to all qualified divers and those undertaking a recognized training course.

There is no need to pre-book entry to the site.

A small classroom is available for hire if required for training purposes.

Features

Current in-water features include:

  • two shipping containers used as training tables with the tops in approximately 7 and 10 metres of water
  • an aircraft cockpit
  • a 105mph racing catamaran
  • several cabin cruisers
  • a mine
  • a torpedo
  • two red phone boxes
  • the bouyancy gym

Open Water Swimming

We welcome open water swimmers between 9am and 1pm on any Saturday, Sunday or Bank Holiday Mondays, and on Thursday evenings between 5pm and 8pm between mid-May and mid-September.

The site is open for swimming at all times of the year but it should be noted that the temperatures drop rapidly to approximately 4–5oC during December and do not rise appreciably until the end of March.

All swimmers shall at all times wear suitable thermal protection and shall be a member of the British Triathlon Association or shall be a member of a club affiliated to the BTA.

A current valid membership card of the BTA or affiliated club shall be presented on arrival. Swimmers will be asked to read a copy of the site rules and will be asked to sign a disclaimer indicating that they understand the rules and restrictions of the diving centre on arrival.

The entrance fee for swimmers is £5.00 per session, the minimum age for open water swimming is 16 years.

The surface water temperature on Sunday 5th May 2012 was 12°C.

To be kept informed of the current water temperature, please mail us at:


Contact the diving centre

Cromhall Quarry
Cromhall
South Gloucestershire
GL12 8AA

Tel: 07901 832 862
Email:

How to Find Us

The easiest way to find us is from Junction 14 of the M5: take the B4059 towards Wotton-Under-Edge.

At the roundabout, turn right on the B4058 towards Cromhall, Rangeworthy and Iron Acton.

After about 1/4 mile, just past the Cromhall village sign, there are some workshops on the right hand side.

Turn into the entrance and follow the yellow signs through the coach and truck parks and along the lane that leads to the quarry bottom.



Nitrox/Trimix Continuous Blending

Cromhall Diving Centre is the UK representative for the LM-NT Continuous Process blending systems that supply pre-mixed low pressure O2/He to the compressor for direct filling of diving cylinders with Nitrox (max 40%) and Trimix.

The diving cylinders do not need to be oxygen cleaned to fill with this process and the system eliminates the risks of partial pressure blending.

For sales and service contact the quarry or for more info visit: www.nitrox-trimix.com

Gas Filling

Double filtered Air is available to 232 bar, as well as Nitrox/Trimix & 100% O2.

With our continuous blending system we do not require your cylinders to be O2 clean for mixes to a maximum of 40% Nitrox.

Cylinders to be filled with mixes greater than 40% O2 are required to be O2 Clean.

We reserve the right to refuse to fill any cylinder that appears to be suspect in any matter, we shall refuse to fill any cylinder without a valid test marking.

Catering

Teas, coffees, cakes and snacks are available at the Dive Centre.

The Environment

The site is unique - it is home to EU-protected Great Crested Newts (click here to find out more about the newts), and is a Site of Special Scientific Interest containing, among other fossils, the Cromhall dinosaur.

Useful links

For diving equipment and training, please visit:

www.seastyle.co.uk
www.bristolchanneldiving.co.uk



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