All resultsExplore/British Columbia/Alden Bank
Alden Bank
Birch Bay, British Columbia, United States
EntryBoat
Max depth18 m
LevelIntermediate and up
Water bodySalish Sea
Water temp8–14°C
Estimated from climate dataMay–Sep
About this site
Alden Bank is a pinnacle and reef dive site near Birch Bay, Washington, United States, in the Salish Sea. It is reached from a boat with a maximum depth of about 18 m. Best for divers with some experience. Marine life recorded within about 5 km (OBIS/GBIF) includes seals, dolphins. Typical surface water temperature ranges from about 8 to 14 °C over the year.
Conditions by month
BestGoodMixedOctoberGood
Generally good diving.
Marine life
Recorded nearby
Killer WhaleOrcinus orca- Flathead SoleHippoglossoides elassodon
Pacific HakeMerluccius productus- Slim SculpinRadulinus asprellus
Walleye PollockGadus chalcogrammus- Pacific SandfishTrichodon trichodon
- Bigeye PoacherBathyagonus pentacanthus
- Butter SoleIsopsetta isolepis
Nearby sites
- 1Parker Reef12 km
- 2Tumbo Reef17 km
- 3Entertainment Reef18 km
- 4Bakers Reef20 km
- 5Mouatt Reef23 km
- 6Osprey23 km
Straight-line distances.
Sources: Dive Vibe Community (ODbL) · Species occurrences: OBIS (CC BY 4.0), GBIF.org