Aerial imagery: USGS National Map (public domain)
Lost Valley Brook — Streams 42.6 Miles NNW of Chapman Inn
Coos County, New Hampshire · USGS Mount Pisgah Quadrangle · GNIS 868176
42.6 miles north-northwest of Chapman Inn, on the USGS Mount Pisgah topographic quadrangle, Lost Valley Brook is a stream recorded in Coos County, New Hampshire by the federal Geographic Names Information System.
Wikidata short description: “stream in Coös County, New Hampshire, United States of America”
Landmark Profile
Classification & USGS reference
The USGS Mount Pisgah 7.5-minute topographic quadrangle places Lost Valley Brook in Coos County, New Hampshire (FIPS 33/007), classified as a stream in the federal GNIS (Feature ID 868176). Catalogued in GNIS since 08/27/1980.
Coordinates & physical setting
Lost Valley Brook sits at 44.95838° N, 71.16952° W (DMS 44°57′30″ N, 71°10′10″ W).
As a linear feature its source lies near 44.94639° N, 71.18389° W (DMS 44°56′47″ N, 71°11′02″ W) — useful for anglers and paddlers tracing the upstream end.
Other streams in Coos County, New Hampshire
Coos County, NH contains 300 streams catalogued in the USGS Geographic Names Information System, counting Lost Valley Brook itself. The ones closest to Lost Valley Brook:
| Feature | USGS Quadrangle | Distance |
|---|---|---|
| South Branch Little Dead Diamond River | Mount Pisgah | 1.4 mi |
| West Branch Little Dead Diamond River | Mount Pisgah | 1.6 mi |
| Pesky Brook | Mount Pisgah | 1.7 mi |
| Tracy Brook | Mount Pisgah | 2.3 mi |
| Little Dead Diamond River | Wilsons Mills | 2.6 mi |
| Horne Brook | Wilsons Mills | 3.2 mi |
| East Horne Brook | Wilsons Mills | 3.2 mi |
| Middle Branch Dead Diamond River | Magalloway Mountain | 3.3 mi |
| West Branch Dead Diamond | Magalloway Mountain | 3.3 mi |
| Cascade Brook | Magalloway Mountain | 3.8 mi |
Features on the USGS Mount Pisgah Quadrangle
The Mount Pisgah 7.5-minute topographic quadrangle holds 16 catalogued natural features alongside Lost Valley Brook. A sampling nearest to this location:
| Feature | Type | County | Offset |
|---|---|---|---|
| South Branch Little Dead Diamond River | Streams | Coos County, NH | 1.4 mi |
| West Branch Little Dead Diamond River | Streams | Coos County, NH | 1.6 mi |
| Pesky Brook | Streams | Coos County, NH | 1.7 mi |
| Mount Tucker | Summits | Coos County, NH | 1.8 mi |
| Tracy Brook | Streams | Coos County, NH | 2.3 mi |
| Crystal Mountain | Summits | Coos County, NH | 2.4 mi |
| Round Mountain | Summits | Coos County, NH | 2.6 mi |
| Mount Pisgah | Summits | Coos County, NH | 3.3 mi |
| Blue Ridge | Ridges | Coos County, NH | 3.8 mi |
| Chase Mountain | Summits | Coos County, NH | 4.2 mi |
Visiting from Chapman Inn
Distance, bearing & drive time
Chapman Inn sits 42.6 miles north-northwest (bearing NNW) of Lost Valley Brook. At moderate back-road speeds the drive runs about 73 minutes — comfortably inside a half-day outing window after breakfast.
Best time to visit
Best observed in late spring and early summer when flow is strong and banks are visible. Being this far north (lat 44.958°), first snows typically arrive by mid-October and linger into early May — narrow the window accordingly. At 42.6 miles from the Inn, block the full day — sunrise start, late return, packed meals. Conditions at Lost Valley Brook track the nearby South Branch Little Dead Diamond River stream (1.4 mi away) closely — if that is runnable, so is this.
Nearest features to Lost Valley Brook
| Feature | Type | County | Distance |
|---|---|---|---|
| South Branch Little Dead Diamond River | Streams | Coos County, NH | 1.4 mi |
| West Branch Little Dead Diamond River | Streams | Coos County, NH | 1.6 mi |
| Pesky Brook | Streams | Coos County, NH | 1.7 mi |
| Mount Tucker | Summits | Coos County, NH | 1.8 mi |
| Tracy Brook | Streams | Coos County, NH | 2.3 mi |
Frequently Asked Questions
Where is Lost Valley Brook located?
Lost Valley Brook is in Coos County, New Hampshire, approximately 42.6 miles north-northwest of Chapman Inn in Bethel, Maine. It appears on the USGS Mount Pisgah topographic quadrangle.
How far is Lost Valley Brook from Chapman Inn?
The drive runs about 73 minutes, 42.6 miles north-northwest (bearing NNW) of the Inn.
What type of natural feature is Lost Valley Brook?
The U.S. Geological Survey classifies Lost Valley Brook as a stream, catalogued under GNIS Feature ID 868176 on the Mount Pisgah quadrangle.
When is the best time to visit Lost Valley Brook?
Best observed in late spring and early summer when flow is strong and banks are visible.
How many other streams are in Coos County, New Hampshire?
GNIS lists 299 other streams in Coos County, New Hampshire.
Wikidata: Q35377801.