New York / St. Lawrence River /
Wellesley Island State Park
Boat ramp · on St. Lawrence River · near Grandview Park · New York
NYS DEC records curly-leaf pondweed (latest 2025), Eurasian watermilfoil (latest 2017), European frog-bit (latest 2022), flowering rush (latest 2022), round gobies (latest 2025) and starry stonewort (latest 2014) 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
Zebra mussels (latest report 1993) reported in St. Lawrence River 4.7 km from this launch (USGS Nonindigenous Aquatic Species database). Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.
USGS Nonindigenous Aquatic Species database · 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
- 60
- Managed by
- New York State Parks
- Website
- dec.ny.gov
- Coordinates
- 44.31718, -76.02480
Conditions
- Weather forecast for this launch · National Weather Service
On St. Lawrence River
River in New York. All launches on St. Lawrence River.
Community
Where people who use St. Lawrence River talk about it.
Nearby launches
- DeWolf Point State Park · 1.9 mi · Lake of the Isles
- Grass Point State Park · 2.7 mi · St. Lawrence River
- Keewaydin State Park · 4.5 mi · St. Lawrence River
- Kring Point State Park · 9.1 mi · St. Lawrence River
- Hyde Lake Boat Launch · 10.8 mi · Hyde Lake
- Butterfield Lake Water Access · 11.4 mi · Butterfield Lake
Sources
- New York State DEC Boat Launch Sites record -76.02480,44.31718 · NYS DEC terms: credit DEC
- New York State Parks Boat Launch Sites (OPRHP) record wellesley-island-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.