The Mount Moriah via Stony Brook is a 9.6-mile out-and-back with 3,134 ft of elevation gain.
9.6 mi • 3,134 ft gain • 5-8 hours • Stony Brook Trailhead (Route 16)
Feels like 42°F
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Today Sep 22 | Tomorrow Sep 23 | Thursday Sep 24 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AM | PM | night | AM | PM | night | AM | PM | night | |
| Temperature & Wind | |||||||||
| Weather | fog | cloudy | clear | sunny | sunny | clear | sunny | sunny | clear |
| Temp °F hi / lo | 38° 37° | 42° 38° | 42° 38° | 38° 37° | 41° 38° | 42° 41° | 43° 41° | 48° 45° | 47° 46° |
| Chill °F | 30° | 31° | 28° | 27° | 30° | 33° | 34° | 42° | 41° |
| Wind mph | 9 | 10 | 20 | 18 | 13 | 15 | 13 | 6 | 9 |
| Gust mph est. | 14 | 14 | 29 | 28 | 17 | 24 | — | — | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | - | - | - | - | - | - | - | - |
| Freezing ft | 9,771 ft | 10,427 ft | 11,630 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 98% | 100% | - | 7% | 7% | - | - | - | - |
| Vis mi | 0.2 | clear | clear | 10 | clear | clear | clear | clear | clear |
| UV | 4 | 6 | — | 4 | 5 | — | 4 | 5 | — |
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| Elevation | Today Sep 22 | Tomorrow Sep 23 | Thursday Sep 24 |
|---|---|---|---|
| lo/hi °F · wind mph & dir · chill °F | |||
| Summit 4,049 ft | 37/38° 9 | 37/38° 18 | 41/43° 13 |
| 3,300 ft | 39/40° 11 | 39/40° 16 | 43/47° 11 |
| 2,500 ft | 41/43° 10 | 42/43° 13 | 45/51° 8 |
| Trailhead 2,000 ft | 42/45° 7 | 43/45° 12 | 44/53° 6 |
4 more days of forecast — plan around the weather window, not just tomorrow.
Full hourly summit forecasts: Mount Moriah weather
Climbs the Stony Brook Trail from Route 16 south of Gorham to the Carter-Moriah Trail, then north along the ridge to Moriah's open summit ledges. The upper ridge has wide views of the Presidentials and the Mahoosucs.
Distance
9.6 mi
Elevation Gain
3,134 ft
Duration
5-8 hours
Trailhead
Stony Brook Trailhead (Route 16)
The Mount Moriah via Stony Brook is 9.6 miles round trip, starting at Stony Brook Trailhead (Route 16). At AMC book time — half the distance in hours plus 30 minutes per 1,000 ft of climbing — that works out to roughly 5-8 hours. Most parties take longer than book time on rough or above-treeline terrain, in winter, or with a heavy pack.
The Mount Moriah via Stony Brook climbs about 3,134 ft over 9.6 miles — an average of roughly 325 ft of gain per mile. That figure is cumulative ascent across the whole out-and-back, not the difference between the trailhead and the high point.
HikerNerd rates the Mount Moriah via Stony Brook Difficult, scored with the Shenandoah difficulty formula — √(elevation gain × 2 × distance) — applied to its 9.6 miles and 3,134 ft of gain. The score measures physical effort only. Above-treeline exposure, water crossings, and winter conditions can make a moderate-rated route the hardest day of your year, so check current conditions before committing.
The Mount Moriah via Stony Brook summits 1 named peak: Mount Moriah.
The Mount Moriah via Stony Brook starts at Stony Brook Trailhead (Route 16). Check the trail alerts on this page before you drive — trailhead access and parking in the White Mountains change with closures and construction.
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