A technical diver handling decompression stage cylinders during a dive

Photo by Teemu Virtanen · CC BY-SA 3.0

OC TechNSS-CDS

Cartography

Official course standards ↗Last updated September 7, 2026

Dry-land data management and cave mapping program focused on producing finished maps from surveyed cave data. Cartography is a classroom-based specialty with no diving requirement where students learn data reduction techniques, error correction methods, map design principles, symbology, and publishing procedures. This program supports NSS-CDS surveying mission by training divers and interested individuals to process raw survey data and produce publishable cave maps.

Prerequisites

No prerequisites required. Open to any NSS-CDS member or interested person with knowledge of cave diving (preferred but not required).

Standards

What a diver must demonstrate to pass this course — not always published by the certifying agency.

Demonstrate ability to conduct data reduction from raw survey measurements, identify and correct systematic errors, apply proper cartographic techniques for single-line and detailed maps, use appropriate symbology, create accurate scaled drawings, apply error detection and loop closure methods, understand map finalization procedures, and understand copyright and publication requirements. Minimum 1 day classroom instruction required.

Instructors Teaching This Course

United States

Dive Centres Offering This Course

We're still building out the directory country by country, so this list isn't every instructor or dive centre teaching it in the world — more locations are coming soon.

Common questions about NSS-CDS Cartography

What are the prerequisites for NSS-CDS Cartography?

NSS-CDS's standards require: No prerequisites required. Open to any NSS-CDS member or interested person with knowledge of cave diving (preferred but not required).

What does NSS-CDS Cartography training involve?

According to NSS-CDS's published standards: Demonstrate ability to conduct data reduction from raw survey measurements, identify and correct systematic errors, apply proper cartographic techniques for single-line and detailed maps, use appropriate symbology, create accurate scaled drawings, apply error detection and loop closure methods, understand map finalization procedures, and understand copyright and publication requirements. Minimum 1 day classroom instruction required.

Where can I take NSS-CDS Cartography?

1 dive centre and 2 instructors in the TecDiveTools directory teach NSS-CDS Cartography, in Mexico and the United States. Each is listed further up this page.