Mount Monadnock
Mountain Isolated granite summit popular for day hikes and panoramas
A frequently climbed New Hampshire summit, Mount Monadnock offers exposed granite ledges, short steep trails and wide summit views; hikers come for day trips and seasonal foliage.
Mount Monadnock is a prominent monadnock in southwestern New Hampshire, United States, with a summit elevation of 965 meters (3,165 feet). It is known for its isolated, treeless summit and extensive hiking use.
The mountain features a variety of trails from gentle to steep that reach rocky summit ledges offering broad 360-degree views on clear days. Its accessibility from nearby towns such as Jaffrey and Dublin, and a long history of outdoor recreation, have made it a classic regional hiking destination.
Geologically it is an exposed summit of hard rock shaped by glacial erosion and long-term weathering; culturally it has been written about by New England naturalists and conservationists. Mount Monadnock sits in Cheshire County amid rural hills of southwestern New Hampshire.
- Elevation and summit views: Summit elevation is 965 meters (3,165 feet); the peak is noted for its bare granite summit and long-distance views across southern New Hampshire and into neighboring states.
- Trails and popularity: A dense network of well-marked trails and managed trailheads make it one of the most frequently climbed mountains in the northeastern United States.
How to Get to Mount Monadnock #
Monadnock State Park is accessed from Jaffrey, New Hampshire. From main routes, follow signs to Monadnock State Park; parking and trailheads are at the park entrance. The nearest larger towns are Keene and Peterborough; public transit options are limited.
Tips for Visiting Mount Monadnock #
- Use the White Dot or White Cross trails for the clearest paths and easiest navigation; these are well-marked.
- Go on weekdays or very early on weekend mornings to avoid heavy local-hiker traffic.
- Expect exposed granite near the summit - bring sun protection and know that winter conditions make some approaches icy and hazardous.
Best Time to Visit Mount Monadnock #
Spring through autumn for hiking and views; winter for snow sports if prepared for icy conditions.
Weather & Climate near Mount Monadnock #
Mount Monadnock's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -13°C to 24°C. Abundant rainfall (1399 mm/year), wettest in November, distributed fairly evenly throughout the year.
January
January is the coldest month with highs of -3°C and lows of -13°C. Significant rainfall (105 mm).
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February
February is freezing with highs of -2°C and lows of -13°C. Significant rainfall (107 mm).
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March
March is freezing with highs of 3°C and lows of -7°C. Significant rainfall (112 mm).
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April
April is cold with highs of 9°C and lows of -2°C. Significant rainfall (118 mm).
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May
May is cool with highs of 17°C and lows of 4°C. Significant rainfall (121 mm).
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June
June is cool with highs of 21°C and lows of 10°C. Significant rainfall (117 mm).
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July
July is the warmest month with highs of 24°C and lows of 12°C. Significant rainfall (111 mm).
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August
August is cool with highs of 23°C and lows of 12°C. Significant rainfall (123 mm).
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September
September is cool with highs of 19°C and lows of 8°C. Significant rainfall (104 mm).
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October
October is cold with highs of 13°C and lows of 2°C. Significant rainfall (115 mm).
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November
November is cold with highs of 6°C and lows of -3°C. The wettest month with heavy rain (139 mm).
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December
December is freezing with highs of 0°C and lows of -10°C. Significant rainfall (127 mm).