North Twin Mountain

North Twin Mountain is a 4,761-foot mountain in Grafton County, New Hampshire.

Prominence: 299 ft Range: Twin Range
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Elevation: 4,761 ft

North Twin Mountain

Area Map

NH48 stylized terrain with summit marker, contours, and nearby trails.

Peak trail map

Static map preview

North Twin Mountain: summit area with linked trail context.

Summit: 44.2026, -71.5579

Trails: North Twin Trail, North Twin Spur, North Twin Trail - to summit and back., Twinway from Galehead Hut - via South Twin.

Trails

Current Summit Weather

NOAA / NWS point forecast for this summit location.

NOAA / NWS Updated Tue, Sep 15, 6:21 AM EDT
37°F
Sunny Bethlehem, NH point forecast
Sunny
Wind5 mph W
Gusts8 mph
Precip0%
Humidity92%

5-Day Forecast

NOAA / NWS day and night periods near this summit point.

Tue
Mostly Sunny
54°F / 45°F
Mostly Sunny
Wed
Partly Sunny
61°F / 49°F
Partly Sunny
Thu
Chance Rain Showers
57°F / 50°F
Chance Rain Showers
Fri
Mostly Sunny
52°F / 36°F
Mostly Sunny
Sat
Mostly Sunny
50°F / 41°F
Mostly Sunny

Forecast Snapshots

Choose 1-hour snapshots or 15-minute checkpoints from the NOAA hourly forecast.

Sunny
Tue 7:00 AM
Sunny

Sunny

Temp37°F
Wind5 mph W
Gusts8 mph
Precip0%
Humidity92%

NOAA hourly forecast period

Primary NOAA point forecast coverage is available for this summit location.

Astronomy

Sun and moon timing for this peak.

USNOGenerated Tue, Sep 15, 8:01 AM EDT

Day/Night

Sunrise, daylight, and sunset timing

Sunrise6:25 AM Daylight Length12h 32m Sunset6:57 PM
Sunrise
6:25 AM EDT
Sunset
6:57 PM EDT
Moonrise
11:33 AM EDT
Moonset
8:39 PM EDT
Moon phase
Waxing Crescent
22% illuminated

USNO astronomy is available for this summit.

Monthly Weather Averages

NOAA/NCEI Climate Normals · USNO Solar

Winter

Spring

Summer

Fall

0 / 3
Sources & method

Climate reference: Mount Washington, NH US · 6267 ft · 1991-2020

Solar reference: South Twin Mountain · 2026

Wind is not displayed: January hourly coverage is below the 80% threshold.

Climatology describes typical conditions, not a forecast.

Water & Crossing Context

Stream context

Drainage context only, not a crossing safety decision. 1 linked water reference; expand a row for sources and notes.

Route note: Yes - Little River crossed multiple times in first half of trail.

Gale River No Current Live Data

StationGALE RIVER AT US 3, NEAR BETHLEHEM, NH • 01137870

USGS Historical

Gale River context for Garfield, Galehead, Twins, and west-side Twin Range approaches.

  • Nearby live proxy: AMMONOOSUC RIVER AT BETHLEHEM JUNCTION, NH • CONNECTICUT RIVER NEAR DALTON, NH
Official source

Treat rising, stale, modeled, or missing readings conservatively.

Nearby Peaks & Connections

Real trail profiles, directional measurements, and summit-to-summit comparisons.

6 connections

Connected ridge profile

Trail-connected summits, south to north

SN
Connected ridge profileContinuous south-to-north trail terrain profile. Color indicates absolute local trail grade: blue for gentler sections and warm colors for steeper sections. Summits: Galehead Mountain 4,024 ft, South Twin Mountain 4,902 ft, North Twin Mountain 4,761 ft. Galehead Mountain4,024 ft South Twin Mountain4,902 ft North Twin Mountain4,761 ft 2.2 mi S1.1 mi S0 mi
Trail gradeGentle0–8%Moderate8–15%Steep15–25%Very steep25%+

Route order: Galehead Mountain → South Twin Mountain → North Twin Mountain

Hover, touch, or use arrow keys for exact distance, terrain elevation, and grade. Terrain: 1 m USGS S1M DEM (NAVD88); summits: official NH48 elevations.

South Twin MountainSame trailClosest trail link
Trail
1.12 mi
Gain
+460 ft
Loss
−317 ft
Time
36 min
Summit-to-summit route

North Twin Mountain South Twin Mountain

Via North Twin Spur

1.05 mi straight-line • low point 4,435 ft • confidence: medium

Open peak guide
North Twin Mountain 4,748 ftcol / low point 4,435 ftSouth Twin Mountain 4,886 ft
Galehead MountainConnected trails
Trail
2.22 mi
Gain
+762 ft
Loss
−1,486 ft
Time
1 h 7 min
Summit-to-summit route

North Twin Mountain Galehead Mountain

Via North Twin Spur / Twinway Trail / Frost Trail

1.43 mi straight-line • low point 3,729 ft • confidence: medium

Open peak guide
North Twin Mountain 4,748 ftcol / low point 3,729 ftGalehead Mountain 4,023 ft
West BondConnected trailsAdditional direct connection
Trail
4.06 mi
Gain
+1,117 ft
Loss
−1,351 ft
Time
1 h 55 min
Summit-to-summit route

North Twin Mountain West Bond

Via North Twin Spur / Twinway Trail / Bondcliff Trail / West Bond Spur

3.38 mi straight-line • low point 4,300 ft • confidence: medium

Open peak guide
North Twin Mountain 4,748 ftcol / low point 4,300 ftWest Bond 4,510 ft
Zealand MountainConnected trailsAdditional direct connection
Trail
4.10 mi
Gain
+1,017 ft
Loss
−1,508 ft
Time
1 h 52 min
Summit-to-summit route

North Twin Mountain Zealand Mountain

Via North Twin Spur / Twinway Trail

2.40 mi straight-line • low point 4,026 ft • confidence: medium

Open peak guide
North Twin Mountain 4,748 ftcol / low point 4,026 ftZealand Mountain 4,254 ft
Mount BondConnected trailsAdditional direct connection
Trail
4.15 mi
Gain
+1,186 ft
Loss
−1,239 ft
Time
1 h 59 min
Summit-to-summit route

North Twin Mountain Mount Bond

Via North Twin Spur / Twinway Trail / Bondcliff Trail

3.69 mi straight-line • low point 4,336 ft • confidence: medium

Open peak guide
North Twin Mountain 4,748 ftcol / low point 4,336 ftMount Bond 4,692 ft
Mount GarfieldConnected trailsAdditional direct connection
Trail
4.50 mi
Gain
+2,076 ft
Loss
−2,361 ft
Time
2 h 32 min
Summit-to-summit route

North Twin Mountain Mount Garfield

Via Garfield Ridge Trail / Twinway Trail / North Twin Spur

2.82 mi straight-line • low point 3,359 ft • confidence: medium

Open peak guide
North Twin Mountain 4,748 ftcol / low point 3,359 ftMount Garfield 4,460 ft

Parking & Access

End of Haystack Road - North Twin Trailhead.

Access roads & trailheads

Gale River Loop Rd

Closed

Haystack Rd

Closed

Zealand Rd

Closed

Verify official sources and posted signs before driving to a trailhead.

Difficulty Metrics

Risk & Preparation

Wilderness Safety

Trail & Terrain

North Twin Mountain Route & Conditions

Route
North Twin Mountain's standard hiking options include North Twin Trail - to summit and back at 8.6 miles with 2,950 feet of gain and Twinway from Galehead Hut - via South Twin at 4.6 miles with 1,150 feet of gain. A typical completion time is 5–7 hours - out-and-back.
Terrain and exposure
This is a moderate/difficult Twin Range hike. Expect forest trail with steady grade; several river crossings, Little River.; typical roots and rocks. There are no major scrambling sections; expect just steep hiking, no hand-over-hand needed. Upper-mountain terrain includes northern hardwood forest at lower elevations; transitions to boreal spruce-fir near summit; no alpine zone and partial, small outlook near summit to south; true summit wooded views. Weather and exposure are defining planning concerns here: low, trail largely below treeline; summit protected by trees.
Weather window
The best normal hiking window is summer and fall, roughly Haystack Rd open.; winter - via bushwhack route to avoid crossings. In September, average summit conditions are about 43 F. Download offline maps and do not rely on cell service; leave a plan with someone.
Water, signal, and bailout
Water is available: little River crossed multiple times in first half of trail. Cell reception is spotty, mostly none until perhaps a weak signal at viewpoint near summit. Bailout options include Simply descend same trail, no alternate trails once on North Twin Trail and Galehead Hut, if traversing from South Twin. Nearby live water context is available from Gale River.
Trailhead and access
The most common trailhead is Zealand Road Trailhead, with room for about 15 vehicles. Small dirt lot at trailhead; closed in winter - road closure adds ~2 mi from end of Little River Rd. Other linked starts include Haystack Road / Galehead Trailhead, Zealand Falls Hut Access (Zealand Rd), Haystack / Firewarden Trailhead (North Twin), and North Twin Fire Warden's Trail Lower. Seasonal access-road context includes Gale River Loop Rd, Haystack Rd, and Zealand Rd.
Connected route context
Major linked trails include North Twin Trail and North Twin Spur. Nearby 4,000-footer connections include South Twin Mountain, Galehead Mountain, West Bond, and Zealand Mountain, and 2 more.