The National Diving & Activity Centre National Diving & Activity Centre awarded Certificate of Excellence from TripAdvisor Forest of Dean and Wye Valley
NDAC Servicing
SITA - The Scuba Industries Trade Association
Scuba Quest


Coronavirus Outbreak.

With a heavy heart, we have decided to fully close all operations to the public until further notice in light of the escalating global coronavirus pandemic.

We would like to thank all our customers for supporting us over the years, stay safe and we look forward to serving you again.

Darren & Kaye

Full details »

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.

Learn to Scuba Dive....


Upcoming Courses for the next few months at the NDAC Dive School many more online >

Open Water Diver
• Sat 28 Mar 2020 (SDI)
• Sat 25 Apr 2020 (SDI)
• Sat 16 May 2020 (PADI)
• Sat 6 Jun 2020 (SDI)
• Sat 4 July 2020 (PADI)
• Sat 1 Aug 2020 (SDI)
• Sat 5 Sep 2020 (SDI)
• Sat 3 Oct 2020 (PADI)
• Sat 31 Nov 2020 (SDI)
• Sat 28 Nov 2020 (SDI)

Advanced Open Water Diver
• Sat 22 Mar 2020
• Sat 18 Apr 2020
• Sat 27 Jun  2020
• Sat 15 Aug 2020
• Sat 19 Sep 2020
• Sat 21 Nov 2020
• Sat 12 Dec 2020

Emergency 1st Response Primary Care (CPR), AED Use & Secondary Care
(Update Courses On Request)

Speciality Courses

PADI Enriched Air Diver Speciality / SDI Computer Nitrox Diver
• Fri 21 Feb 2020

SDI /PADI Dry Suit Diver Speciality
• Sat 30 May 2020 (SDI)

PADI/SDI Peak Performance Buoyancy Speciality
• Sat 30 May 2020

PADI / SDI Night Diver Speciality
• Sat 14 Mar 2020

Technical Diving Courses

TDI Intro to Tech

TDI Air Diluent Rebreather Diver

• Fri 18 April 2020
  TDI XCCR Mod 1

• 8-10, 16/17 May 2020
  AP Inspiration Mod 1

TDI Advanced Nitrox & Decompression Procedures
• Sat 14 Apr 2020

For Speciality and Technical Courses we provide custom courses on request throughout the year to suit your time schedule. Contact us for further details and to arrange a date.


NDAC Dive Equipment Servicing

Regular servicing of your equipment is very important for safe and reliable performance and to ensure your expensive kit has a long life.


To help our customers we are offering an onsite equipment servicing and repair service. For further details of the specific equipment servicing available at the centre and prices please visit our servicing information page. more>

AquaLung Apeks Premier Service Centre


UK Dive Centre Membership Card

Find out about the savings that can be made through Membership of the National Diving & Activity Centre >



The National Diving & Activity Centre in Chepstow has been awarded a 2015 Certificate of Excellence from TripAdvisor, the world’s largest travel site. Please let us know how your visit was


Review the NDAC on TrustPilot


The NDAC Wooden Wigwams are here! Click for further information
Book your NDAC Wooden Wigwam Now!


Site Plans for the NDAC


The View Cafe Bar opens at the NDAC on Friday 6th April 2012


Location of NDAC


Saltfree Freediving at NDAC

SaltFree are a group of freedivers and their scuba safety team united by a love for plunging into the depths of the National Diving and Activity Centre. more>

The Wire Zip Slide Chepstow

The Wire Zip Slide is available for bookings at the National Diving & Activity Centre in Chepstow.

Book on the Wire

The Wire is one of the UK's longest, tallest and fastest zip slides, running the 700 metre length of the NDAC Quarry.

Launch yourself from the 70m high cliff edge and speed along the length of our 80m deep flooded quarry.

Reaching speeds up to 40 miles per hour this exhilarating ride will take your breath away!

Book a place on the Wire Zip Slide
Buy a Gift Voucher

Book a place on the Wire Zip Slide »

Buy A Gift Voucher »

List of available dates »

70 Double Decker Busses Long


Fly board at the NDAC Chepstow


NDAC Gift Vouchers

Give your friends or family members a unique gift with an adventurous experience at the National Diving & Activity Centre.

We have Gift Vouchers available for the Wire Zip Slide, Atlantis Aqua Park, Giant 3G Swing and our range of Wooden Wigwam glamping accommodation.

700m Wire Zip Slide Gift Vouchers »

Atlantis Aqua Park Gift Vouchers »

Giant 3G Swing Gift Vouchers »

Wooden Wigwam Gift Vouchers »



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How we use your information»

Job Vacancies

Job Vacancies at NDAC Chepstow

Latest News

Coronavirus Outbreak. Latest updates.

Response to the Coronavirus outbreak

updated 22 Mar 2020

Geotechnical site works at the National Diving & Activity Centre

Site improvements at NDAC

added 12 Mar 2020

New smoking/vaping area

Smoking/Vaping Area

added 12 Mar 2020

SUUNTO Dive Computers and Finnsub Torches at NDAC Night Dive

SUUNTO at Night Dives NDAC

added 20 Feb 2020

Scuba Night Dive Saturday 14th March.

Night Dives NDAC

added 06 Feb 2020

Updates on the Wye Valley Greenway project

St Patrick's Day Dance and Fundraiser

added 06 Dec 2019

Greenways and Cycleroutes Limited organised a volunteer work camp to repair a bridge and to install and replace boundary fencing on the former railway line between Chepstow and Tintern

Wye Valley Greenway Workcamp

added 05 Dec 2019

National Police Underwater Search Unit Exercise held at NDAC

Police Underwater Search Unit Exercise at NDAC

added 28 Nov 2019

Unique wedding proposal at FearFest-Evil.

FearFest-Evil House of Hell

added 03 November 2019

FearFest-Evil returns 2020 with 'House of Hell'. Discounted Early Bird Tickets are available now.

FearFest-Evil House of Hell

added 03 November 2019

FearFest-Evil wins 2019 ScareCon SCAR Award for 'Best Multi-Part Scream Event'

ScareCon Scare Awards

added 10 Jun 2019

Infrastructrure works and slipway improvements.

Infrastructrure works and slipway improvements

added 22 August 2019

Meet Bertie the Fish, our newest underwater attraction.

Bertie the Fish

added 17 Jun 2019

We've been awarded a 2019 Certificate of Excellence from TripAdvisor and qualified for the Certificate of Excellence Hall of Fame.

Qualified for the Certificate of Excellence Hall of Fame.

added 05 Jun 2019

New underwater attraction lowered into place at the NDAC Chepstow

Underwater Attraction

added 26 Mar 2019

Groundworks complete for new Wire Zip Slide lines.

Wire Groundworks

added 18 Mar 2019

Final checks on our latest underewater attraction

Underwater Attraction

added 19 Mar 2019

Opening Times

Diving Times Winter (01 October - 31 March inclusive) 
Monday: CLOSED (open Bank Holidays)
Tuesday: CLOSED
Wednesday: CLOSED
Thursday: CLOSED 
Friday: 0930 -1700
Saturday: 0800 - 1700
Sunday & Bank Holidays: 0800 - 1700
Clear of water by 1600

The Wire Zip Slide & The Swing
The Wire & Giant 3G Swing are open most weekends, bank holidays, selected dates during School Holidays and occasional mid week dates.

Please check the individul activity pages for availability.

Book your place on the Wire here »

Book your place on the Giant 3G Swing here »

The View Cafe Bar - Opening Times
   Monday to Wednesday: Open during School Holidays.
   (Open on Cinema Screening dates, Bank Holidays & any dates the Wire/ Swing are open)

   Thursday*: 0930 - 2100 (*Closed between 1st Nov & 1st April. Open during School Holidays) 
   Friday: 0930 - 2300
   Saturday 0800 - 2300
   Sunday & Bank Holidays: 0800 - 2100

   Breakfast: 0930 - 1130 (0900 - 1130 at weekends)
   Lunch: 1130 - 1800
   Dinner: 1800 - 2100
   Bar open: 1100 - 2100 (2300 Friday & Saturday)

Diving Times Summer (01 April - 30 September inclusive)
Monday: CLOSED (open Bank Holidays)
Tuesday: CLOSED
Wednesday: CLOSED
Thursday: 0930 -1700
Friday: 0930 -1700
Saturday: 0800 - 1800
Sunday & Bank Holidays: 0800 - 1800
Clear of water 1 hour before end of session


Scuba prices for

Diver entry fee: £20.00 per person, or £15.00 for members
Personal Centre Membership: 1 year £40.00 ( £35.00 for renewals) more>

Freedivers pay a reduced entry fee of £10.00

Classroom £25.00 per half day / £50.00 per full day (hourly rate can be agreed).

Night Dives
NDAC Members Night Dive £15.00
Non Members Night Dive £20.00
Non Divers Free entry

Prices as of 08 July 2019

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