- NGDF på Facebook
- Buy NGDF products online! (We aim to expand the assortment).
- Cavediver.com (Links to other cave diving web sites)
- National Association for Cave Diving
- IUCRR (International Underwater Cave Rescue and Recovery)
- NSS-CDS (National Speleological Society Cave Diving Secion), more links.
Vanlige dykkeforum