Mount Tom

Mount Tom is a 4,052-foot mountain in the Willey Range of the White Mountains, located in Grafton County, New Hampshire.

Prominence: 331 ft Range: Willey Range
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Elevation: 4,051 ft

Mount Tom

Area Map

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

Peak trail map

Static map preview

Mount Tom: summit area with linked trail context.

Summit: 44.2105, -71.4461

Trails: A-Z Trail, Mount Tom Spur, Avalon Trail, Avalon Trail > A-Z Trail > Mount Tom Spur

Trails

Current Summit Weather

NOAA / NWS point forecast for this summit location.

NOAA / NWS Updated Tue, Sep 15, 2:16 AM EDT
37°F
Mostly Clear Bartlett, NH point forecast
Mostly Clear
Wind10 mph N
Gusts12 mph
Precip0%
Humidity100%

5-Day Forecast

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

Tue
Mostly Clear
58°F / 44°F
Mostly Clear
Wed
Mostly Sunny
66°F / 50°F
Mostly Sunny
Thu
Mostly Cloudy then Chance Rain Showers
62°F / 52°F
Mostly Cloudy then Chance Rain Showers
Fri
Slight Chance Rain Showers then Partly Sunny
59°F / 42°F
Slight Chance Rain Showers then Partly Sunny
Sat
Chance Rain Showers
56°F / 45°F
Chance Rain Showers

Forecast Snapshots

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

Mostly Clear
Tue 2:00 AM
Mostly Clear

Mostly Clear

Temp37°F
Wind10 mph N
Gusts12 mph
Precip0%
Humidity100%

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, 2:31 AM EDT

Day/Night

Sunrise, daylight, and sunset timing

Sunrise6:25 AM Daylight Length12h 31m Sunset6:56 PM
Sunrise
6:25 AM EDT
Sunset
6:56 PM EDT
Moonrise
11:32 AM EDT
Moonset
8:38 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. 2 linked water references; expand a row for sources and notes.

Route note: Yes - crossing of Crawford Brook on Avalon Trail; small streams along A-Z Trail.

Ammonoosuc River @ Bretton WOODS No Current Live Data

StationAMMONOOSUC R @ BRETTON WOODS, NR TWIN MOUNTAIN, NH • 01136500

USGS Historical

Ammonoosuc west-side context for the Presidential Range, Crawford Notch, and Bretton Woods approaches.

  • Nearby live proxy: AMMONOOSUC RIVER AT BETHLEHEM JUNCTION, NH • SACO RIVER AT RIVER STREET, AT BARTLETT, NH
Official source
Zealand River No Current Live Data

StationZEALAND R 0.2 MI AB MOUTH, NR TWIN MOUNTAIN, NH • 01136900

USGS Historical StreamStats Modeled

Useful Zealand valley context for Hale, Zealand, Galehead, and Ethan Pond corridor crossings.

  • StreamStats / SS-Hydro modeled context: Configured support context for ungaged Zealand and Ethan Pond corridor crossings; use nearby live gages first when available.
  • Nearby live proxy: AMMONOOSUC RIVER AT BETHLEHEM JUNCTION, NH • EAST BRANCH PEMIGEWASSET RIVER AT LINCOLN, NH
Official source

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

Nearby Peaks & Connections

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

0 connections

No verified direct connection

The current trail pack does not yet contain a qualifying summit-to-summit route for this peak. Nearby but unconnected peaks are not shown as trail connections.

Parking & Access

AMC Crawford Depot/Highland Center - Avalon/A-Z Trail start.

Access roads & trailheads

No WMNF seasonal road listing

Primary trailheads are linked, but no WMNF seasonal access-road dependency is currently linked to this route. This is common for state highways, AMC lots, ski-area lots, or year-round paved road access.

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

Difficulty Metrics

Risk & Preparation

Wilderness Safety

Trail & Terrain

Mount Tom Route & Conditions

Route
Mount Tom's standard hiking options include Avalon Trail > A-Z Trail > Mount Tom Spur at 5.8 miles with 2,150 feet of gain and Willey Range Traverse - see Mount Field description, includes Tom spur at 10 miles with 3,400 feet of gain. A typical completion time is 3–4 hours - out-and-back to Tom alone.
Terrain and exposure
This is a moderate Willey Range hike. Expect moderate grade through hardwoods then fir; relatively smooth footing with some rocky sections, never extremely steep. There are no major scrambling sections; expect straightforward hiking, occasionally steep but no scrambles. Upper-mountain terrain includes mixed forest of birch and beech low; transitioning to thick spruce-fir near summit; summit area flat and mossy with evergreens and partial, a few steps beyond summit spur end leads to outlook ledge with decent views; true summit wooded. Weather and exposure are defining planning concerns here: low, heavily wooded; minimal weather impact aside from typical rain/snow.
Weather window
The best normal hiking window is summer and fall, roughly accessible and moderate; winter doable with snowshoes/microspikes. 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: crossing of Crawford Brook on Avalon Trail; small streams along A-Z Trail. Cell reception is spotty, likely none in notch or on summit; possibly slight signal at outlook. Bailout options include Easy retreat to Crawford Notch via A-Z or Avalon Trails and Amc Highland Center is nearby for assistance. Nearby live water context is available from Ammonoosuc River at Bretton Woods and Zealand River.
Trailhead and access
The most common trailhead is Crawford Notch / Highland Center (Amc), with room for about 50 vehicles. Park at Crawford Depot or Highland Center lot; plenty of space typically. Other linked starts include Ethan Pond / Willey Range Trailhead and Avalon Trail Trailhead (Crawford Notch).
Connected route context
Major linked trails include A-Z Trail, Mount Tom Spur, and Avalon Trail.