New York / Lake Ontario /
Chaumont Boat Launch
Boat ramp · on Lake Ontario · near Chaumont · New York
NYS DEC records quagga mussels (latest 2012), zebra mussels (latest 2022), brittle naiad (latest 2022), curly-leaf pondweed (latest 2022), Eurasian watermilfoil (latest 2022), European frog-bit (latest 2022), flowering rush (latest 2023), round gobies (latest 2020), starry stonewort (latest 2022) and water chestnut (latest 2025) in the water at this launch. Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.
NYS DEC · checked October 18, 2026
Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.
At the launch
- Type
- Boat ramp
- Car parking
- 100
- Managed by
- New York State Parks
- Website
- dec.ny.gov
- Coordinates
- 44.06883, -76.14987
Conditions
- Weather forecast for this launch · National Weather Service
Marine advisories
Advisories in effect load here; without them, see the NWS zone forecast below.
National Weather Service marine zone LOZ045, Mexico Bay NY to the St. Lawrence River. Zone forecast: winds, seas, warnings.
On Lake Ontario
Lake in New York. All launches on Lake Ontario.
Community
Where people who use Lake Ontario talk about it.
Nearby launches
- Lake Ontario Boat Launch near Three Mile Bay · 2.5 mi · Lake Ontario
- Long Point State Park · 4.2 mi · Lake Ontario
- Lake Ontario Boat Launch near Dexter · 5.8 mi · Lake Ontario
- Black River Boat Launch near Dexter · 6.8 mi · Black River
- Black River Boat Launch near Dexter · 7.0 mi · Black River
- Lake Ontario Boat Launch near Rosiere · 7.9 mi · Lake Ontario
Sources
- New York State DEC Boat Launch Sites record -76.14987,44.06883 · NYS DEC terms: credit DEC
- New York State Parks Boat Launch Sites (OPRHP) record chaumont-boat-launch-jefferson · Open Data NY, license unspecified; credit OPRHP
Why it is listed as public: listed by New York State DEC Boat Launch Sites and New York State Parks Boat Launch Sites (OPRHP). Something wrong, or is this launch private? Send a correction; it goes to a person.