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Mt. Jefferson, NH Trail Conditions and Information |
| Peak: | Mt. Jefferson |
| Elevation: | 5,712' |
| Popular Trails: |
Caps Ridge Trail
Castle Ravine Trail
Castle Trail
Jewell Trail
Six Husbands Trail
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| Water Crossings: | Routes involving Castle Ravine Trail, Castle Trail, and Six Husbands Trails may be difficult after rain or spring runoff. |
| Winter Access Notes: | Due to the seasonal closure of Jefferson Notch Road, as well as the danger posed by the nearby ravines, Mt. Jefferson is often climbed by the Jewell and Gulfside trails in winter. |
| Road Access Notes: | Jefferson Notch Road generally closes in November or December and reopens in May or June. The USFS Ammonoosuc/Jewell parking area closes in the winter, however there is often plowed parking available at the lower Cog parking lots. WMNF Road Status |
| Lists: | New England 4,000 Footers, New England 100 Highest, New Hampshire 4,000 Footers |
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Mt. Jefferson Conditions Reports by Month |
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January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December
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Most Recent Mt. Jefferson Conditions Reports |
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Peaks and Trails |
Date of Hike  |
Surface Conditions |
 | Mt. Adams, Mt. Jefferson
via Airline, Gulfside, Jefferson Loop | Aug. 8, 2026
Jack | Dry Trail, Wet Trail | | | | Mt. Jefferson
via Caps Ridge Trail, Jefferson Loop, Gulfside, Edmands Col Cu... | Jul. 18, 2026
Nordic_Gal, Danielle | Dry Trail, Wet Trail, Wet/Sl... | | | | Mt. Jefferson, Mt. Monroe
via Caps Ridge Trail, Gulfside, Westside Trail, Crawford Path,... | Jul. 18, 2026
Uki | Dry Trail, Wet Trail, Wet/Sl... | | | | Mt. Jefferson
via Castle Ravine Trail, Castle Trail | Jul. 17, 2026
Jesse Graham | Dry Trail, Mud - Minor/Avoid... | | | | Mt. Washington, Mt. Jefferson
via Tuckerman Ravine Trail, Huntington Ravine Trail, Nelson Cr... | Jul. 13, 2026
EMC_Squared | Dry Trail, Mud - Minor/Avoid... | | | | Mt. Jefferson
via Caps Ridge Trail | Jul. 12, 2026
Beckie and Prema | Dry Trail, Wet Trail, Mud -... | | | | Mt. Jefferson, Mt. Washington, Mt. Monroe, Mt. Fra...
via Caps Ridge Trail, The Cornice, Gulfside, Jefferson Loop, A... | Jul. 12, 2026
Danielle, Monkey, James | Dry Trail | | | | Mt. Washington, Mt. Clay, Mt. Jefferson
via Cog Rail Trail, Gulfside, Jefferson Loop | Jul. 11, 2026
Jack | Dry Trail | | | | Mt. Jefferson
via Great Gulf Trail, Six Husbands Trail, Sphinx Trail | Jul. 6, 2026
fossman | Dry Trail, Wet Trail, Mud -... | | | | Mt. Jefferson, Mt. Clay, Mt. Washington
via Caps Ridge Trail, Gulfside, Clay Loop, Trinity Heights Con... | Jun. 29, 2026
Mark S | Dry Trail, Mud - Minor/Avoid... | | | | Mt. Jefferson
via Castle Trail, Israel Ridge Path, Castle Ravine Trail, Rand... | Jun. 28, 2026
Mike Trocchi | Dry Trail, Wet Trail, Wet/Sl... | | | | Mt. Jefferson, Mt. Washington, Mt. Monroe
via Caps Ridge Trail, Jefferson Loop, Gulfside, Crawford Path,... | Jun. 24, 2026
Dave D | Dry Trail, Wet Trail, Mud -... | | | | Mt. Jefferson, Mt. Adams, Mt. Madison
via Caps Ridge Trail, Gulfside, Lowe's Path, Airline, Osgood T... | Jun. 13, 2026
Uki | Dry Trail, Wet Trail, Standi... | | | | Mt. Jefferson
via Caps Ridge Trail | Jun. 9, 2026
Pappy | Dry Trail, Mud - Minor/Avoid... | | | | Mt. Jefferson
via Castle Trail, Castle Ravine Trail, Gulfside, Jefferson Loo... | Jun. 6, 2026
ges | Dry Trail, Wet Trail, Wet/Sl... | | | | Mt. Jefferson
via Lowe's Path, Cabin-Cascades Trail, The Link, Caps Ridge Tr... | Jun. 1, 2026
Mountain Goat | Dry Trail, Wet Trail, Wet/Sl... | | | | Mt. Adams, Mt. Jefferson, Emerald Bluff
via Lowe’s Path, Gulfside, Jefferson Loop, Randolph Path, Em... | May. 23, 2026
timmus | Dry Trail, Snow - Spring Sno... | | | | Mt. Jefferson, Mt. Clay
via Jewell Trail, Gulfside, Jefferson Loop, Clay Loop | May. 23, 2026
Nick W | Dry Trail, Mud - Minor/Avoid... | | | | Mt. Jefferson, Mt. Adams
via Castle Trail, Jefferson Loop, Gulfside, Lowe's Path, Presi... | May. 23, 2026
Marshall | Dry Trail, Wet Trail, Wet/Sl... | | | | Mt. Madison, Mt. Adams, Mt. Jefferson
via Airline, Osgood Trail, Gulfside, Jefferson Loop | May. 22, 2026
Jack | Dry Trail, Wet Trail, Mud -... | | | | Mt. Jefferson, Mt. Adams, Mt. Madison
via Great Gulf Trail, Sphinx Trail, Gulfside, Jefferson Loop,... | May. 22, 2026
Spencer | Dry Trail, Wet Trail, Wet/Sl... | | | | Mt. Jefferson
via Jewell Trail, Boundary Line Trail, Jefferson Notch Road, C... | May. 17, 2026
Monkey | Dry Trail, Wet Trail, Wet/Sl... | | | | Mt. Jefferson
via Jewell Trail, Gulfside, Jefferson Loop | May. 16, 2026
Uki | Dry Trail, Wet Trail, Standi... | | | | Mt. Monroe, Mt. Washington, Mt. Jefferson
via Ammonoosuc Ravine Trail, Monroe Loop, Crawford Path, Gulfs... | May. 16, 2026
Chad | Dry Trail, Wet Trail, Wet/Sl... | | | | Mt. Jefferson, Mt. Adams
via Amphibranch, Hincks Path, Randolph Path, Jefferson Loop, G... | Apr. 25, 2026
Jon | Mud - Minor/Avoidable, Snow... | | |
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