Emerald Bay Maritime Heritage Underwater Trail
Lake Tahoe (Emerald Bay) · near South Lake Tahoe · Sierra Nevada / Yosemite
Scuba & Snorkel
At a glance
- Difficulty
- advanced
- Depth
- 60
- Water temperature
- 40–55°F · drysuit strongly advised
- Best season
- Summer/early fall (surface ice-free; still frigid below)
Permits and booking
- Permit required
- No
- How the permit works
- No permit for the trail, but this is ALTITUDE + COLD diving: Lake Tahoe sits at 6,225 ft (altitude-diving procedures required) and water below the thermocline is 40s°F year-round (drysuit strongly advised). California's first underwater heritage trail preserves historic barges/boats in Emerald Bay. Park at Emerald Bay (fills early). Advanced cold/altitude experience needed.
What is here
- Marine life
- Historic sunken barges & boats · Recreational wreck trail · Astonishing freshwater visibility · Alpine-lake diving at altitude
- Features
- California's first underwater heritage trail · Historic sunken barges & wooden boats · Jaw-dropping freshwater clarity · Alpine-lake diving at 6,225 ft
Worth knowing
- Certification required
- Yes
- Dogs
- Not permitted
- Good for a first timer
- No
Scuba & Snorkel detail
- Dive type
- scuba
- Entry
- shore
- Viz
- 30–70+ ft (exceptional freshwater clarity)
- Intl tip
- Altitude diving (6,225 ft) — use altitude tables/computer procedures. Water is frigid below the surface layer; a drysuit is strongly advised. Emerald Bay parking fills at dawn in summer. The trail is a preserved heritage site — look, don't disturb. Combine with the Rubicon Trail run and the Emerald Bay kayak (those guides). A unique freshwater/altitude dive for the experienced.
- Nickname
- California's first underwater heritage trail
The guide
The Emerald Bay Maritime Heritage Underwater Trail is one of California's most unusual dives — a freshwater wreck trail beneath…
In the Guidebook
Everything above is yours for free. The written guide to Emerald Bay Maritime Heritage Underwater Trail — what it is actually like, and what we would tell a friend before they went — comes with the Guidebook.
Getting there
- Coordinates
- 38.954, -120.108