Conditions
Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
Dived here today? How were conditions vs. what we showed?
About this site
King Horn lies in the Thousand Islands area of the St. Lawrence River, along the Ontario shoreline of eastern Canada. This stretch of river is known for its freshwater wreck diving, with cold, dark water typical of the region's shipping channels. The wreck rests on the bottom at a maximum depth of around 28 metres and is rated an advanced dive.
AI overviewMarine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Round GobyNeogobius melanostomusReported here · unconfirmed
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
No notes yet. Dived here? Be the first to leave a tip.
Share a write-up or a photo. Submissions are reviewed before they appear on the page.
Nearby dive sites
Shops that dive here
No shops have listed this site yet.