Mountain · 1 route

Webster Slide Mountain

2,165 ft · New Hampshire

Summit
2,165 ft
Routes
1 way up
Season
Year-round
Map of the route up Webster Slide Mountain, with each route's start numbered and the summit marked
Webster SlideMap © Mapbox © OpenStreetMap contributors

About Webster Slide Mountain

Webster Slide Mountain is a summit of 2,165 feet in the Pemigewasset Ranger District of White Mountain National Forest in New Hampshire, about 9 miles from North Haverhill. Summer is the most comfortable time to go. Typical July averages from a nearby weather station run to highs around 77°F and lows near 56°F, and the summit sits higher than that station, so expect cooler temperatures up top. The Webster Slide hike starts just 0.3 miles away, and the Warren Recreational Rail Trail is about a mile off. Climbers can head to Owl Pellet, The, roughly 1.4 miles away, and Blueberry Mtn offers another hike about 2.3 miles out.

Forecast on Webster Slide Mountain

Daily highs and lows, wind and the chance of precipitation at the summit and route start for the next 7 days, from the Open-Meteo model.

Questions about Webster Slide Mountain

How tall is Webster Slide Mountain?

2,165 ft (660 m).

How many routes go to the summit of Webster Slide Mountain?

One: Webster Slide.

When is the best time to climb Webster Slide Mountain?

Year-round.

Mountains nearby

More mountains in New Hampshire

Facts about this place

When to go

Best time to go: May–Sep. The mildest months here, with typical highs of 64–77°F and lows of 42–56°F.

Typical monthly averages (not a forecast) from the Benton 5 Sw, NH weather station, 3.4 mi away. High / low in °F.

  1. Jan26° high7° low
  2. Feb29° high9° low
  3. Mar38° high18° low
  4. Apr51° high30° low
  5. May64° high42° low
  6. Jun72° high51° low
  7. Jul77° high56° low
  8. Aug76° high54° low
  9. Sep69° high46° low
  10. Oct56° high35° low
  11. Nov43° high26° low
  12. Dec32° high15° low

Source: NOAA NCEI U.S. Climate Normals 1991–2020

Where it is

Nearest town
North Haverhill, New Hampshire · 8.8 mi

Source: USFS EDW boundaries; USGS GNIS populated places

Conditions

Active alerts for Pemigewasset Ranger District as of Oct 9, 2026:

Source: USFS forest alerts

Is Webster Slide Mountain open right now?

Closure in the area

There's a closure order in White Mountain National Forest. It doesn't name Webster Slide Mountain, so check the source for the area it covers.

As of · Source: USFS · White Mountain National Forest. Agencies don't list every closure — check before you go.

Best time to visit Webster Slide Mountain

Best months: August–October. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

  1. Jan

    26° / 7°

    12 wet

  2. Feb

    29° / 9°

    10 wet

  3. Mar

    38° / 18°

    11 wet

  4. Apr

    51° / 30°

    11 wet

  5. May

    64° / 42°

    13 wet

  6. Jun

    72° / 51°

    14 wet

  7. Jul

    77° / 56°

    13 wet

  8. Aug

    76° / 54°

    11 wet

  9. Sep

    69° / 46°

    11 wet

  10. Oct

    56° / 35°

    12 wet

  11. Nov

    43° / 26°

    11 wet

  12. Dec

    32° / 15°

    12 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Benton 5 Sw, NH, 3.4 mi away at 1,200 ft. The station sits about 1,000 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.