Tri-State Monument

Tri-State Monument is a historic site in New Jersey, at a modelled elevation of 126 m. High Point stands 551 m to the southeast, 3.0 miles off. The nearest named place is Airport Park, a park 0.3 miles away. Upper Delaware Scenic Byway (Route 97) passes 1.4 miles off.
The story
The Tri-States Monument (also known as Tri-State Rock) is a granite monument that marks the tripoint of the state boundaries of New Jersey, New York, and Pennsylvania. It is at the northwestern end of the boundary between New Jersey and New York, the northern end of the boundary between New Jersey and Pennsylvania, and the eastern end of the boundary between New York and Pennsylvania. The monument is located at the confluence of the Delaware and Neversink rivers. This location is also known as Carpenter's Point. The nearby Witness Monument, also known as the Reference Monument or the western State Line Monument, is a taller upright granite monument located south of the Laurel Grove Cemetery in Port Jervis, New York, and under a bridge for Interstate 84. It is not directly on any state boundary, but instead witnesses the location of two points: this tripoint and the corner boundary point between New York and Pennsylvania in the Delaware River. The Supreme Court of the United States summarized the boundaries of these three states with respect to this monument in New Jersey v. New York, 283 U.S. 336 (1931):
... where it (the Delaware) forms a boundary between New York and Pennsylvania. The Delaware continues its course as such boundary to Tristate Rock, near Port Jervis in New York, at which point Pennsylvania and New York are met by New Jersey. From there the river marks the boundary between Pennsylvania and New Jersey until Pennsylvania stops at the Delaware state line, and from then on the river divides Delaware from New Jersey until it reaches the Atlantic between Cape Henlopen and Cape May. Also, it is the northernmost point of New Jersey, in Montague Township, Sussex County.
From Wikipedia, CC BY-SA 4.0.
Dates from 1882.
Wikidata Q60521819, referenced by the OpenStreetMap record.
How to reach it
- 1.4 mi off the Upper Delaware Scenic Byway (Route 97)
- 13.7 mi off the Western Highlands Scenic Byway, National
- 21.5 mi off the Shawangunk Mountains Scenic Byway
Overlooks nearby
- Park Avenue Observatory · 2 mi
- Lifting Rocks Overlook · 5 mi
- Pinwheel Vista · 16 mi
Named places within 25 miles
- Airport Park: 0.3 mi
- Veterans Memorial Park: 0.3 mi
- Tri-States Playground: 0.6 mi
- Riverside Park: 0.9 mi
- Skinners Park: 0.9 mi
- Point Peter: 1.7 mi
- 799': 2.3 mi
- High Point: 3.0 mi
- Pine Hill: 4.1 mi
- Huguenot Hill: 4.1 mi
- Japanese Sika Deer: 10.2 mi
- Cliff Jump: 15.1 mi
- Sprayground: 15.1 mi
- Fishing Village: 15.1 mi
- Hide Tide Wavepool: 15.1 mi
- Indian Raid: 0.4 mi
- Erie Roundhouse: 1.3 mi
- High Point Monument: 3.0 mi
- Millville Historic District: 5.3 mi
- Lead Smelter: 7.3 mi
- West End Beach: 1.5 mi
- High Point Beach: 3.2 mi
- Stone Beach: 5.2 mi
- PWLPOA Beach: 9.8 mi
- Stokes Beach: 11.5 mi
- State Game Lands Number 209: 8.5 mi
- Laurel Hill Preserve: 9.6 mi
- Cornelia and Florence Bridge Preserve: 9.9 mi
- Hunter Farm Preserve: 11.0 mi
- Dwarfskill Preserve: 11.1 mi
- Fish Cabin Falls: 8.2 mi
- Hackers Falls: 8.5 mi
- Raymondskil Falls: 9.0 mi
- Silverthread Falls: 13.3 mi
- Dingmans Falls: 13.5 mi
- Erie Depot Museum: 1.0 mi
- Port Jervis Fire Department Museum: 1.5 mi
- Port Jervis Fireman Museum: 1.6 mi
- The Columns Museum of the Pike County Historical Society: 5.8 mi
- Minisink Heritage Museum: 7.1 mi
- The Meditation Garden: 14.5 mi
- The Smith-Harker Community Garden: 15.1 mi
- Founder's Park: 15.6 mi
- New York City: 19.9 mi
- Midtown: 19.9 mi
- Pike Welcome Center: 0.9 mi
- Greenville Text Stop Eastbound: 3.0 mi
- Greenville Text Stop Westbound: 3.1 mi
- Middletown Rest Area: 16.2 mi
- Wallkill Rest Area: 22.3 mi
- The Cliff: 7.9 mi
- steep bluff: 8.8 mi
- Pike Rock: 20.4 mi
- Buffalo Statue: 10.2 mi
- Glass Tentacles: 13.8 mi
- Wine and Design Warwick: 18.4 mi
- Artesian Spring: 8.4 mi
- Rail-Trail Spring: 12.8 mi
- Conashaugh: 10.0 mi
- Eshback: 18.1 mi
- Pecks Pond Picnic Area: 20.7 mi
- Toms Creek Recreation Site: 20.9 mi
Summits around it
The highest named summits within 19.2 miles of Tri-State Monument. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| High Point | SE 146° | 551 m | 3.0 mi |
| Sunrise Mountain | S 188° | 500 m | 9.7 mi |
| Bald Hill | W 265° | 468 m | 13.4 mi |
| Bald Hill | WSW 248° | 467 m | 17.1 mi |
| Bald Hill | WNW 284° | 464 m | 13.1 mi |
| Little Bald Hill | WSW 249° | 461 m | 16.1 mi |
| Rattlesnake Mountain | SSW 209° | 454 m | 17.9 mi |
| Bald Barren | WSW 246° | 452 m | 18.5 mi |
When to go
Light through the year
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:03 | 18:35 | 19:11 |
| June solstice | 05:26 | 19:54 | 20:36 |
| September equinox | 06:47 | 18:21 | 18:58 |
| December solstice | 07:22 | 15:49 | 16:33 |
Local time (America/New_York).
Climate normals
Months averaging 50–80 °F: May–Oct.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °F | 25 | 27 | 35 | 47 | 58 | 67 | 72 | 70 | 62 | 51 | 40 | 30 |
| Precip in | 3.1 | 2.6 | 3.7 | 3.8 | 3.6 | 4.7 | 4.7 | 4.6 | 4.5 | 4.7 | 3.3 | 3.9 |
1991–2020 U.S. Climate Normals, NOAA NCEI — Port Jervis, 2 mi away.
Where this comes from
Location and category confirmed against OpenStreetMap.
OpenStreetMapWikidataOpenStreetMap element node/2406497097
Day trips start here
- Sussex County · 12 mi
- Skylands · 22 mi
- Lake Hopatcong · 29 mi
- Pocono Mountains · 29 mi
Take the scenic way to Tri-State Monument.
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