Okanagan Lake: BC’s Largest Lake (135 km) — Kokanee Fishing, Stocking Data & Ogopogo Legend

British Columbia Okanagan
Okanagan Lake, British Columbia
Elevation 342 m
Area 35100 ha
Max Depth 232 m
Avg Depth 76 m
Summer Water Temp 22°C
Boat Launch Yes (multiple major launches)
Access Road Paved (Highway 97)
Campgrounds Multiple provincial parks
Special Regulations: Various by zone. Kokanee: daily quota 10.

Recommended Fly Patterns

Kokanee flies, Woolly Bugger, Leech

Okanagan Lake: Wine Country Waters & the Legend of Ogopogo

Okanagan Lake is the heart of British Columbia’s Okanagan Valley — a 135 km long, 232 m deep freshwater lake that defines the region’s landscape, economy, and lifestyle. With 351 km² of surface area, it is the largest lake in the Okanagan system and one of the most popular recreational waterways in western Canada.

Lake Facts

Stat Details
Length 135 km (84 mi)
Maximum Depth 232 m (761 ft)
Surface Area 351 km²
Summer Water Temp Up to 22°C (72°F)
Major Cities on Shore Kelowna, Penticton, Vernon

Ogopogo: Canada’s Most Famous Lake Monster

Okanagan Lake is home to the legend of Ogopogo, a serpent-like creature from Indigenous Syilx oral tradition (originally called N’ha-a-itk). Reported sightings date back centuries, and the creature has become a beloved cultural icon. Statues, murals, and references appear throughout the valley. Whether real or myth, Ogopogo has put Okanagan Lake on the map alongside Loch Ness.

Fishing

The Freshwater Fisheries Society of BC (FFSBC) stocks over 200,000 kokanee fry into the lake annually, sustaining one of the province’s most important sport fisheries. Beyond kokanee, anglers target:

  • Rainbow trout — the lake’s signature game fish
  • Lake trout (mackinaw) — found in deeper waters, some exceeding 10 kg
  • Burbot — a cold-water species popular for winter fishing
  • Smallmouth and largemouth bass — found in warmer, shallow bays

Water Sports & Recreation

With summer water temperatures reaching 22°C, Okanagan Lake is a water sports paradise. Houseboating is a signature Okanagan experience — multi-day rentals let you cruise from beach to beach. Stand-up paddleboarding, wakeboarding, kayaking, and sailing are all popular across the lake’s numerous public beaches and marinas.

Wine Country Shoreline

The lake’s moderating effect on temperatures creates the micro-climate that makes Okanagan wine production possible. Over 200 wineries line the hillsides above the lake, from Kelowna south to Oliver and Osoyoos. The combination of lake views, vineyard tours, and swimming beaches makes this one of Canada’s premier summer destinations.

Okanagan Rail Trail

The Okanagan Rail Trail follows a decommissioned railway along the eastern shore, offering a flat, scenic route for cycling, walking, and running with continuous lake views. The trail connects Kelowna to Vernon, passing through orchards, vineyards, and waterfront parks along the way.