> Canonical: https://nyparks.org/parks/grafton-lakes-state-park
> Content revision: 2026-10-25T21:17:08.995Z

[State parks](https://nyparks.org/types/state-park)[Rensselaer](https://nyparks.org/counties/rensselaer)

# Grafton Lakes State Park

Rensselaer · New York State Office of Parks, Recreation and Historic Preservation

BEFORE YOUR VISIT

Visitor informationWater recreation

### Grafton Lakes State Park: Martin Dunham Reservoir water-level update

Park-specific information

- [Martin Dunham Reservoir water-level update](https://nyparks.org/parks/grafton-lakes-state-park)

State Parks reports that Martin Dunham Reservoir was 40 inches below the spillway crest on October 24, 2026. The agency has opened a valve to relieve pressure on the dam following DEC flood-protection and dam-safety recommendations. This water-level notice does not establish a whole-park closure.

[Read the official notice: New York State Parks visitor directory ↗](https://parks.ny.gov/visit/state-parks/grafton-lakes-state-park)Source checked Oct 25, 2026

PLAN YOUR VISIT

## The practical details.

**Managing agency**: New York State Office of Parks, Recreation and Historic Preservation

**Address**: 254 Grafton Lakes State Park Way Grafton, NY 12082

**Telephone**: [(518) 279-1155](tel:5182791155)

[Official park information](https://parks.ny.gov/visit/state-parks/grafton-lakes-state-park)

We have not yet verified hours, entry fees, accessibility details. Confirm these with the managing agency before traveling.

Check notice timestamps and official updates. Conditions can change between source checks.

## Weather & forecast

National Weather Service · [Official forecast ↗](https://forecast.weather.gov/MapClick.php?lat=42.76985267&lon=-73.46419936)

## About Grafton Lakes State Park

Grafton Lakes State Park is listed in official public-land records for Rensselaer, New York and is managed by New York State Office of Parks, Recreation and Historic Preservation. Our research into visitor facilities is ongoing. Check the managing agency’s information for public entrances, permitted activities, and current access.

## Activities & facilities

[Biking ↗](https://nyparks.org/activities/biking)[Boating ↗](https://nyparks.org/activities/boating)[Horseback riding ↗](https://nyparks.org/activities/horseback-riding)[Fishing ↗](https://nyparks.org/activities/fishing)[Hiking ↗](https://nyparks.org/activities/hiking)[Hunting ↗](https://nyparks.org/activities/hunting)[Playgrounds ↗](https://nyparks.org/activities/playgrounds)[Cross-country skiing ↗](https://nyparks.org/activities/cross-country-skiing)[Swimming ↗](https://nyparks.org/activities/swimming)Boat LaunchesBoat RentalsEquestrian TrailsFoodHiking TrailsIce FishingIce SkatingNature CenterEvent Rentals: Pavilions, SheltersPlaygroundShowersSnowmobile TrailsSnowshoeing, X-Country SkiingSwimming Beach

Recorded from park sources. Availability and restrictions may vary by season or visitor area.

## Find your way.

Map points represent park land, not verified visitor entrances. Follow the managing agency’s entrance directions. Tiles © OpenStreetMap contributors.

This point represents park land, and may not be a public entrance. Follow official entrance directions.

[Official visitor information & directions ↗](https://parks.ny.gov/visit/state-parks/grafton-lakes-state-park)

## Read before you roam.

[THE FIELD GUIDE

### Check swimming, docks and boat launches

Compare the named waterfront facility with the official park notice before bringing swim or boating plans.

Read the guide](https://nyparks.org/guides/new-york-swimming-docks-and-launches)[THE FIELD GUIDE

### Plan a New York park day

Find a destination, check its managing agency, and confirm the entrance, reservations, notices and weather.

Read the guide](https://nyparks.org/guides/planning-a-new-york-park-day)

## Sources & verification

Park facts and notices are checked separately. Missing facility information does not mean a facility is absent. Official visitor page checked Oct 27, 2026.

- [New York State Parks visitor directory](https://parks.ny.gov/visit/state-parks) · Oct 27, 2026

[Suggest a correction](https://nyparks.org/about#corrections) · [Markdown version](https://nyparks.org/parks/grafton-lakes-state-park.md)

## Nearby parks.

Within 35 miles in a straight line. Travel distances and entrances vary.

[All parks](https://nyparks.org/parks)

[Rensselaer

### Cherry Plain State Park

Biking · Boating](https://nyparks.org/parks/cherry-plain-state-park)

[Albany · Saratoga

### Peebles Island State Park

Fishing · Hiking](https://nyparks.org/parks/peebles-island-state-park)

[Columbia · Greene · Rensselaer

### Schodack Island State Park

Biking · Boating](https://nyparks.org/parks/schodack-island-state-park)