San Francisco (415) 362-6694
Monterey Bay (831) 372-1685

Altitude DivingAltitude diving is underwater diving using scuba or surface supplied diving equipment where the surface is 1000 feet or more above sea level such as a mountain lake. Altitude is significant in diving because the depths and decompression used for dives at altitude are different from those used for the same dive profile at sea level.

At altitude, atmospheric pressure is lower than at sea level, so surfacing at the end of an altitude dive leads to a greater relative reduction in pressure and an increased risk of decompression sickness compared to the same dive profile at sea level. The dives are also typically carried out in freshwater at altitude so it has a lower density than seawater used for calculation of decompression tables.

This Altitude Diver class will teach you the skills necessary to scuba dive safely at altitude. You will you learn Altitude dive planning, procedures and techniques and adjustments to be made to your dive computer for altitude diving.

  • Minimum Age: 12
  • Certification Prerequisites: Open Water Diver
  • Academic Sessions: 1
  • Open Water Dives: 2
  • Maximum Training Depth: 30 meters / 100 feet (12-14 year-old: 18 meters / 60 feet)
  • Gear Requirements - Snorkeling Gear (Mask, Snorkel, 6.5mm Wetsuit Booties, Open Heel Fins, and 3mm Gloves)
  • Ocean Gear Requirements - SCUBA Equipment *Available for rental*


$300 + $40 SSI Online 
*Does not inlcude SCUBA equipment for the Altitude Dives*

Class: The class starts at 6:00pm at the San Francisco store.

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Business Hours

San Francisco
Mon-Fri: 10:00am - 7:00pm
Sat: 9:00am - 5:30pm

Tel: (415) 362-6694
¬ Store Panoramic View

Monterey Bay
Mon-Fri: 09:00am - 6:00pm
Sat: 7:00am - 6:00pm
Sun: 7.00am - 6.00pm

Tel: (831) 372-1685
¬ Store Information
Authorized GoPro Reseller
Authorized GoPro reseller
SSI Diamond Dive Center
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