Lake Tahoe — Rubicon Wall
California / Nevada, USA
- Typical depth
- 30 m
- Type
- Freshwater
- Level
- Advanced
Notes
Freshwater alpine lake — altitude diving (~1900 m).
Marine life
- Other
- granite walls, submerged historic boats and cars in the Underwater Park
- Reef fish
- lake trout (mackinaw), rainbow trout, kokanee salmon, smallmouth bass, crayfish
- Invertebrates
- freshwater sponges, asian clam (invasive)
Site features
- Altitude Diving (1897 M)
- Freshwater
- Wall
- Very Clear Water
- Cold Water
- Drysuit Recommended
- Underwater Park
- National-Forest Shore Access
When to dive
- Best
- Jun–Oct
- Avoid
- Dec–Mar
Lake Tahoe sits at 1,897 m (6,225 ft) on the California–Nevada border — at this altitude, every dive is altitude-decompression diving (theoretical depth offsets, longer surface intervals, conservative profiles, extended no-fly windows). The Rubicon Wall on the west shore (Emerald Bay / D.L. Bliss SP area) is the iconic site: a granite escarpment dropping straight from shallow water to several hundred metres. In 1994 California State Parks extended Emerald Bay State Park to include the surrounding water, making it one of California's first underwater parks and protecting the wrecks and historic items on the bay floor. Water clarity is famous — Tahoe Secchi readings have hovered around 20 m, among the clearest large lakes in North America. Year-round dive in theory, but ice/snow access and cold deep-water temps make Jun–Oct the practical window. Drysuit + altitude/cold training mandatory.
Conditions & access
- Visibility
- 15–30 m
- Water temp
- 4–14 °C
- Current
- None
- Access
- Open access
- Min cert
- Advanced Open Water + Altitude specialty (PADI/SSI) + drysuit; cold-water and deep-cold experience essential
Location
39.0008° N, 120.0917° W
Sources
Curated from 2 sources
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