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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 Jefferson
via Castle Trail : Jefferson Loop : Gulfside Trail : Randolph... | Friday, Sep. 12
WAUMBEK | Dry Trail | | | | Mt. Pierce, Mt. Eisenhower, Mt. Franklin, Mt. Monr...
via Crawford Connector, Crawford Path, Mizpah Cutoff, Webster... | Aug. 23, 2025
Jason | Dry Trail, Mud - Minor/Avoid... | | | | Mt. Jefferson
via Jewell Trail, Gulfside, Jefferson Loop | Aug. 23, 2025
James, Badass, Silent Run... | Dry Trail | | | | Mt. Jefferson
via Caps Ridge Trail | Aug. 22, 2025
Playshookytohike | Dry Trail | | | | Mt. Madison, Mt. Adams, Mt. Jefferson
via Valley Way, Gulfside, Airline, Lowes Path, Jefferson Loop,... | Aug. 16, 2025
Woody | Dry Trail | | | | Mt. Jefferson
via Castle Trail, Castle Ravine Trail, The Cornice, Jefferson... | Aug. 15, 2025
Duct Tape | Dry Trail | | | | Mt. Jefferson
via Castle Trail, Caps Ridge Trail | Aug. 13, 2025
Mike D and several friend... | Dry Trail, Wet/Slippery Rock... | | | | Mt. Jefferson, Mt. Clay
via Caps Ridge Trail, Gulfside, The Cornice | Aug. 2, 2025
Pokey | Dry Trail | | | | Mt. Madison, Mt. Adams, Mt. Jefferson, Mt. Washing...
via Valley Way, Brookside, Watson Path, Osgood Trail, Airline,... | Aug. 2, 2025
Little Brother | Dry Trail, Mud - Minor/Avoid... | | | | Mt. Jefferson
via Caps Ridge Trail, Six Husbands Trail, Gulfside, The Cornic... | Jul. 26, 2025
Ben | Dry Trail | | | | Mt. Jefferson, Mt. Adams
via Caps Ridge Trail, Jefferson Loop, Gulfside, Israel Ridge P... | Jul. 22, 2025
Chef | Dry Trail, Mud - Minor/Avoid... | | | | Mt. Jefferson, Mt. Adams
via Air Line, Short Line, Randolph Path, Gulfside, Jefferson L... | Jul. 19, 2025
WAUMBEK | Dry Trail, Mud - Minor/Avoid... | | | | Mt. Jefferson
via Castle Ravine Trail, Israel Ridge Path, Gulfside, Edmands... | Jul. 13, 2025
The Teal Goat, Salami | Dry Trail, Wet/Slippery Rock... | | | | Mt. Madison, Mt. Adams, Mt. Jefferson, Mt. Clay, M...
via Valley Way, Osgood Trail, Star Lake Trail, Gulfside, Jeffe... | Jun. 15, 2025
Spence, Badass | Dry Trail, Wet Trail, Wet/Sl... | | | | Mt. Jefferson
via Caps Ridge Trail | Jun. 9, 2025
Sable Weisman | Dry Trail, Wet Trail, Mud -... | | | | Mt. Madison, Mt. Adams, Mt. Jefferson, Mt. Clay, M...
via Valley Way, Watson Path, Gulfside, Jefferson, Clay Loop, C... | Jun. 8, 2025
DannyHikesTheWhites | Dry Trail, Wet Trail, Mud -... | | | | Mt. Jefferson
via Castle Ravine Trail, Castle Trail | Jun. 3, 2025
Jen Bulson | Dry Trail, Wet Trail, Wet/Sl... | | | | Mt. Jefferson
via Jewell Trail, Boundary Line Trail, Jefferson Notch Road, C... | Jun. 1, 2025
Brian Strasavich | Snow - Trace/Minimal Depth,... | | | | Mt. Jefferson
via Jewell Trail, Gulfside, Jefferson Loop, Caps Ridge Trail,... | May. 28, 2025
Mimi Hiker | Dry Trail, Wet Trail, Wet/Sl... | | | | Mt. Jefferson
via Jewell Trail, Boundary Line Trail, Jefferson Notch Road, C... | May. 5, 2025
WanderingSoules | Dry Trail, Wet Trail, Mud -... | | | | Mt. Washington, Mt. Jefferson
via Cog Rail Trail, Nelson Crag Trail, Gulfside, Jefferson Loo... | Apr. 29, 2025
Danielle, Dexter | Dry Trail, Snow - Trace/Mini... | | | | Mt. Monroe, Mt. Washington, Mt. Jefferson
via Ammonoosuc Cutoff, Ammonoosuc Ravine Trail, Crawford Path,... | Apr. 23, 2025
Danielle | Dry Trail, Snow - Trace/Mini... | | | | Mt. Jefferson
via Jewell Trail, Gulfiside, Jefferson Loop, Cog Rail Trail | Apr. 21, 2025
Annie P | Dry Trail, Wet Trail, Ice -... | | | | Mt. Madison, Mt. Adams, Mt. Jefferson
via Valley Way, Osgood Trail, Gulfside, Airline, Lowes Path, J... | Apr. 18, 2025
woodsyjess | Ice - Blue, Snow - Packed Po... | | | | Mt. Monroe, Mt. Washington, Mt. Jefferson
via Ammonoosuc Ravine Trail, Crawford Path, Monroe Loop, Trini... | Mar. 22, 2025
JCB | Wet Trail, Snow - Packed Pow... | | |
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