> Canonical: https://nyparks.org/parks/lake-sebago-beach-harriman-state-park
> Content revision: 2026-10-20T16:31:28.505Z

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

# Lake Sebago Beach - Harriman State Park

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

BEFORE YOUR VISIT

Area closureTrails & roads

### Victory Trail connections near Lake Sebago closed

Applies to the named area

- [Victory Trail connections near Lake Sebago](https://nyparks.org/parks/harriman-state-park)Within Harriman State Park

- [Victory Trail connections near Lake Sebago](https://nyparks.org/parks/lake-sebago-beach-harriman-state-park)Within Lake Sebago Beach - Harriman State Park

- [Victory Trail connections near Lake Sebago](https://nyparks.org/parks/sebago-cabin-camp-harriman-state-park)Within Sebago Cabin Camp - Harriman State Park

Two Victory Trail connections near the northwest corner of Lake Sebago are temporarily closed for construction tied to beach-facility rehabilitation. State Parks expects the closures to extend through the middle of 2027; the estimate is not a confirmed reopening date.

[Read the official notice: New York State Parks visitor directory ↗](https://parks.ny.gov/visit/state-parks/harriman-state-park)Source checked Oct 20, 2026

Visitor informationPests & invasive species

### Lake Sebago hydrilla treatment plan

Applies to the named area

- [Lake Sebago](https://nyparks.org/parks/harriman-state-park)Within Harriman State Park

- [Lake Sebago](https://nyparks.org/parks/lake-sebago-beach-harriman-state-park)Within Lake Sebago Beach - Harriman State Park

State Parks reports that hydrilla was found in Lake Sebago in late 2022 and that a five-year treatment plan began in June 2023. The agency says notice signs will be posted at public access points. This is lake-specific information, not a park-wide closure.

[Read the official notice: New York State Parks visitor directory ↗](https://parks.ny.gov/visit/state-parks/harriman-state-park)Source checked Oct 20, 2026

PLAN YOUR VISIT

## The practical details.

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

**Address**: Palisades Interstate Park Commission Bear Mountain, NY 10911

**Telephone**: [(845) 429-8257](tel:8454298257)

[Official park information](https://parks.ny.gov/visit/state-parks/lake-sebago-beach-harriman-state-park)[Reservations](https://newyorkstateparks.reserveamerica.com/camping/sebago-cabins-state-park/r/campgroundDetails.do?contractCode=NY&parkId=326)

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=41.19757466&lon=-74.12920121)

## About Lake Sebago Beach - Harriman State Park

Lake Sebago Beach - Harriman State Park is listed in official public-land records for Rockland, 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

[Boating ↗](https://nyparks.org/activities/boating)[Fishing ↗](https://nyparks.org/activities/fishing)[Hiking ↗](https://nyparks.org/activities/hiking)Boat LaunchesHiking TrailsIce FishingIce Skating

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/lake-sebago-beach-harriman-state-park)

## Read before you roam.

[THE FIELD GUIDE

### Check New York trail closures and detours

Use named trail notices and current agency pages to plan a route without treating an area closure as a whole-park closure.

Read the guide](https://nyparks.org/guides/new-york-trail-closures-and-detours)[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/lake-sebago-beach-harriman-state-park.md)

## Nearby parks.

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

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

[Rockland

### Sebago Cabin Camp - Harriman State Park

Biking · Camping](https://nyparks.org/parks/sebago-cabin-camp-harriman-state-park)

[Rockland

### Lake Welch Beach - Harriman State Park

Boating · Fishing](https://nyparks.org/parks/lake-welch-beach-harriman-state-park)

[Orange

### Lake Tiorati Beach - Harriman State Park

Boating · Fishing](https://nyparks.org/parks/lake-tiorati-beach-harriman-state-park)