Saturday, October 17 · Updated 3:20 AM

Know before
you summit.

Every White Mountain peak, rated green to red each morning from summit forecasts, observatory data and fresh trail reports. Read today's report for free.

Across the NH 48 today:39 difficult9 dangerous

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Built fromNational Weather Service · Mt Washington Observatory · Open-Meteo · USGS · NETC trip reports

What a report reads like

More than a forecast.

Raw weather data is noise. Each morning we read NWS, NOAA, Open-Meteo, OpenWeather, USGS and the observatory for every peak and write down what it means on the trail. This is Mount Lafayette, this morning.

Franconia · 5,260 ft

Mount Lafayette

Dangerous

Franconia Ridge faces strong NW winds with higher gusts, fog, subfreezing temperatures, and fresh snow on icy rock, with wind chill near or below zero on the summit and ridge. Regional winds near Mount Washington are at hurricane force and only begin easing late Saturday night. Postponing until Sunday, when winds drop and skies clear, is strongly recommended for anyone considering the ridge.

Best window

Postpone the ridge hike on Saturday. Winds are forecast to ease late Saturday night, and Sunday brings clearing skies, lighter wind, and temperatures near or above freezing at higher elevations. Start early on Sunday morning to make the most of the improved weather and available daylight.

Summit weather, not valley weather

Forecasts by elevation band, from the trailhead to the summit, so you know what changes above treeline.

Hazards and gear, per peak

Wind, ice, water crossings, visibility. What to expect and what to pack, written for that mountain on that day.

The best window to go

The day and hours that line up, across the 7-day outlook. Trailblazer members get the full week and a best-day pick for every peak.

Updated three times a day

Morning, midday and evening, with every source named at the bottom of each report.

Nick and his dog Gus standing on the edge of Bondcliff — Nick and Gus on Bondcliff, Pemigewasset Wilderness

One state.
Covered properly.

The big apps map the whole world an inch deep. HikerNerd does New Hampshire in detail — 112 peaks across the NH 48, 52 With a View and the Belknap Range, with summit-level forecasts by elevation band and every sourced rescue on record.

Built here in New Hampshire by someone who hikes them.

Track the lists

Chase the lists. Watch the grid fill in.

Every dot is one peak, colored by today's conditions. Log a summit once and it counts toward every list it belongs to.

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NH 4848 peaks

The 48 peaks in New Hampshire that rise over 4,000 feet in elevation. Completing this list has been a popular pursuit since the AMC first published it in 1958.

576 GridWinter roundAI conditions

52 WAV52 peaks

The 52 With A View list features New Hampshire peaks under 4,000 feet that offer outstanding views. Created by the Over The Hill Hikers in 1991 as an alternative to the NH 48. Doublehead Mountain and Welch-Dickey each count as single entries combining their respective summit pairs.

624 GridWinter roundAI conditions

Belknap 1212 peaks

The Belknap 12 features 12 peaks in the Belknap Range near Lake Winnipesaukee in central New Hampshire. Ranging from 1,664 to 2,382 feet, this is a popular training ground for hikers preparing for the NH 48 and a great spring warm-up before the snow melts in the Whites. The official list is maintained by the Belknap County Sportsmen's Association with a patch program for finishers.

Winter roundAI conditions

Check the map

Every peak color-coded before you leave the house. Open any one for the full report.

Pick a route

Every route with distance, gain, time and miles above treeline. Build your own; Trailblazer prints trip sheets and exports GPX.

Log the summit

Your hike lands on every list it counts for. Badges, grids and winter rounds included.

Pricing

Start free. Upgrade when you're planning the week.

Every account starts with 7 days of Trailblazer, no card required. Afterwards, today's reports and the map stay free forever. Trailblazer adds the 7-day outlook and best-day picks.

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Today's report for every peak
Severity map and 3-day summit weather
Route builder with treeline, daylight and alerts
1 saved route a month, 3 planned hikes

Questions, answered.

Each morning we synthesize the National Weather Service, NOAA, Open-Meteo, OpenWeather, USGS and Mount Washington Observatory data for every peak into a single rating (green, yellow, orange or red), the hazards to expect, what to pack, and the best window to go. Instead of checking five sources, you read one report.

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next summit?

Today's report is waiting. Read it, pick a peak, and log the summit when you're back.

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Know beforeyou summit.