Lake Billy Chinook

Oregon, United States

Depth

18m

Visibility

3m - 9m

Entry

Shore

Experience Level

Beginner

Lake Billy Chinook

Oregon, United States

Depth

18m

Visibility

3m - 9m

Entry

Shore

Experience Level

Beginner

About Lake Billy Chinook

This Lake was named after a well known Wasco Indian that travelled here with a explorer in 1843. The maximum depth here is 120 meters, but diving is only allowed only up to 18 meters. This lake is surrounded by beautiful cliffs, creating a majestic setting and backdrop. Abundant marine life covers the sand and rock bottom.

Lake Billy Chinook Dive Info

Terrain & Features

Inland, Other, Rock

Entry Type

Shore

Max Depth

18m

Visibility Range

3m – 9m

Experience Level

Beginner

Best Gas Mix

21% – 50%

O₂

CNS Load (45 min)

13% at 16m / 36%

O₂

Multi-Level Dive Planner

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Marine Life

Freshwater Fish

Weather Conditions

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Dive Operators near Lake Billy Chinook

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Location

Location details missing.

Dive Site Hazards

Thermocline Buoyancy Shift — Sharp thermoclines can cause sudden buoyancy changes.
Instant Visibility Collapse — Sediment disturbance can eliminate visibility immediately.
Late Detection of Structures — Submerged structures may only appear at very close range.

Bubble Trapping Under Overhangs — Rock overhangs can trap exhaled bubbles, reducing visibility and causing disorientation.

Reflected Surge Patterns — Surge reflecting off rock faces can create irregular and unpredictable water movement.

Current Funnel Effect — Narrow gaps between rocks can accelerate water flow unexpectedly.

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