Scuba diving is a mode of underwater diving where the diver uses a self-contained underwater breathing apparatus (scuba) which is completely independent of surface supply, to breathe underwater.Scuba divers carry their own source of breathing gas, usually compressed air, allowing them greater independence and freedom of movement than surface-supplied divers, and longer underwater endurance than breath-hold divers. Open circuit scuba systems discharge the breathing gas into the environment as it is exhaled, and consist of one or more diving cylinders containing breathing gas at high pressure which is supplied to the diver through a regulator.

They may include additional cylinders for range extension, decompression gas or emergency breathing gas. Closed-circuit or semi-closed circuit rebreather scuba systems allow recycling of exhaled gases. The volume of gas used is reduced compared to that of open circuit, so a smaller cylinder or cylinders may be used for an equivalent dive duration. Rebreathers extend the time spent underwater compared to open circuit for the same gas consumption; they produce fewer bubbles and less noise than open circuit scuba which makes them attractive to covert military divers to avoid detection, scientific divers to avoid disturbing marine animals, and media divers to avoid bubble interference.

$950

Annapurna Ghorepani Poonhill with Base Camp Trek

13 days

Next Departure

  • March 26, 20197 spaces left
  • March 31, 20197 spaces left
  • April 2, 20197 spaces left
$1,220

Everest Gokyo Lake Trek

12 days

Next Departure

  • March 29, 201915 spaces left
  • March 31, 201915 spaces left
  • April 5, 201915 spaces left
$1,990

Upper Mustang Trek

14 days

Next Departure

  • March 30, 201910 spaces left
  • March 27, 201910 spaces left
  • April 3, 201910 spaces left
$1,460

Everest Base Camp Luxury Lodge Trek

15 days

Next Departure

  • March 29, 201910 spaces left
  • March 31, 201910 spaces left
  • April 5, 201910 spaces left
$1,300

Everest Base Camp Short Trek

13 days

Next Departure

  • March 30, 201912 spaces left
  • March 31, 201912 spaces left
  • April 6, 201912 spaces left
$980

Everest Panorama Trek

9 days

Next Departure

  • March 29, 201910 spaces left
  • March 31, 201910 spaces left
  • April 5, 201910 spaces left
$4,400

Everest Heli Shuttle Trek

10 days

Next Departure

  • March 31, 201910 spaces left
  • March 30, 201910 spaces left
  • April 6, 201910 spaces left
$3,800

Short Everest Trek

7 days

Next Departure

  • March 29, 201913 spaces left
  • March 31, 201913 spaces left
  • April 6, 201913 spaces left
$1,460

Gokyo lake And Renjola Pass Trek

14 days

Next Departure

  • March 29, 201910 spaces left
  • March 31, 201910 spaces left
  • April 5, 201910 spaces left
$980

Everest View Trek

9 days

Next Departure

  • March 29, 201910 spaces left
  • March 31, 201910 spaces left
  • April 5, 201910 spaces left
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