The National Diving & Activity Centre

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Diving Times

(Clear of water 1 hour before end of session)

Activity Times

Activities are open most weekends, bank holidays, selected dates during School Holidays & occasional mid week dates.

Please see our full opening times ›

Activities & Events

Site Facilities

Diving Information

Centre Information

National Diving & Activity Centre
NP16 7LQ

Please be advised that the NDAC office is closed Monday to Thursday, so emails and phone calls may not be responded to during this time. Depending on when you make your enquiry it may take a few days before we can get back in touch with you.

Site Plans & Underwater Maps

We have a range of site plans and maps for your use. Either follow the links below to view the page in your web browser or click on the PDF link for each plan to download a printable version.

The maps and plans are a recent addition to the site, as a response to your enquiries, and they are reviewed and updated regularly. If you have any comments regarding the site plans please use our contact form or email us.

When planning your dive please note that the National Diving & Activity Centre diving site is 60metres above sea level. Please take this into consideration; diving according to any impact it may make to your dive plan from your training organisation i.e. PADI, BSAC, SAA etc.

To view the PDF files you will need Adobe Reader, which can be obtained by following the link below.

Get Adobe Reader

Overall NDAC Site Map

NDAC Full Site Plan

updated November 2019


Full site plan for the National Diving & Activity Centre. Showing all key areas of interest. This is a big plan when viewed on a computer monitor so you will need to either scroll around or download the PDF to print it out.

View online

Overall Site Map>

Download Printable PDF

PDFNDAC_overall_site_v12-06_web.pdf 942kb

version 12.06 Updated November 2019

NDAC Dive Area Map

NDAC Dive Attractions Plan

updated November 2019


This plan focuses on the diving area of the National Diving & Activity Centre. Showing the locations of all the diving attractions and their depths.

View online

Dive Site Map>

Download Printable PDF

PDFNDAC_Dive Map_v12-06_web.pdf 939kb

version 12.06 Updated November 2019

Three Dimensional Quarry Plan

NDAC 3D Site Plan


This plan shows the undewater world of the National Diving & Activity Centre in 3D. Created using the latest GPS technology, this will help to give you a real feel of how the quarry looks without having to get wet!

This plan will be updated in the near future to show our numerous underwater attractions.

View online

3D Site Plan>

Download Printable PDF

PDF NDAC_3Dmap_v1-0.pdf 860kb

Underwater Sonar Survey

NDAC Sonar


A Sonar site survey has been conducted at the NDAC by Phillip Bowen.

Phillip is a Senior Water & Environment Technician and the survey was carried out as part of his dissertation.

View online

Sonar Site Plan>

Download Printable PDF

PDF ndac_sonar_study2011.pdf 864KB 08 May 2011

Directions & Location Map

NDAC Directions and Location map


A map showing the NDAC site location, complete with directions from the North, South, East & West.

View online

Directions & Location>

Download Printable PDF

PDF directions.pdf 112kb

Chepstow Area
Ordnance Survey Map 172

Chepstow OS Map


Perfect for outdoor enthusiasts enjoying activities in the area of the National Diving & Activity Centre.

Some of the places covered on map sheet 172 include Chepstow, Thornbury, Kingswood, Clifton, Bristol, Bath, Chew Magna, Chipping Sodbury and Portishead. A section of the End of Offa's Dyke Path and the Cotswold Way are marked on map 172. The Mendip Hills are designated an Area of Natural Beauty.

Purchase Map

Chepstow Landranger Map 172>


NDAC Quarry OS Map>


These plans are copyright © NDAC Ltd & Studio JERO unless otherwise indicated and are available to download for personal use only. They cannot be copied or otherwise reproduced without the express written permission of NDAC Ltd. All rights to the copyright material are protected by UK copyright laws, international treaty provisions and other applicable laws. NDAC Ltd & retains all rights not expressly granted.

National Diving & Activity Centre, Tidenham, Chepstow, Gloucestershire, NP16 7LQ. Tel:    Email | Website by Studio JERO | Hosted on Pipe10 Servers