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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. Monroe, Mt. Washington, Mt. Jefferson
via Ammonoosuc Ravine Trail, Crawford Path, Monroe Loop, Trini... | Mar. 22, 2025
JCB | Wet Trail, Snow - Packed Pow... | | | | Mt. Jefferson
via Jewell Link, Jewell Trail, Gulfside, Jefferson Loop | Mar. 18, 2025
Jay Baxter | Wet Trail, Ice - Blue, Ice -... | | | | Mt. Jefferson, Mt. Washington, Mt. Monroe
via Jewell Trail, Gulfside, Jefferson Loop, Crawford Path, Mon... | Mar. 14, 2025
Rick Simmons | Snow - Trace/Minimal Depth,... | | | | Mt. Jefferson
via Jewell Link, Jewell Trail, Gulfside, Jefferson Loop | Mar. 4, 2025
Bostocrates | Snow - Packed Powder/Loose G... | | | | Mt. Monroe, Mt. Washington, Mt. Jefferson
via Ammonoosuc Ravine Trail, Crawford Path, Monroe Loop, Gulfs... | Feb. 22, 2025
Borealis | Snow - Trace/Minimal Depth,... | | | | Mt. Washington, Mt. Jefferson
via Ammonoosuc Ravine Trail, Crawford Path, Gulfside, Jefferso... | Feb. 20, 2025
Joanna | Ice - Black, Snow - Unpacked... | | | | Mt. Madison, Mt. Adams, Mt. Jefferson, Mt. Washing...
via Valley Way, Osgood Trail, Gulfside, Airline, Lowes Path, J... | Feb. 19, 2025
nich c | Snow - Packed Powder/Loose G... | | | | Mt. Monroe, Mt. Washington, Mt. Jefferson
via Ammonoosuc Ravine Trail, Crawford Path, Monroe Loop, Gulfs... | Feb. 12, 2025
Jon | Snow - Trace/Minimal Depth,... | | | | Mt. Jefferson
via Jewell Trail, Gulfside, Jefferson Loop | Jan. 19, 2025
Sea to Summit | Snow - Trace/Minimal Depth,... | | | | Mt. Jefferson
via Jewell Trail, Gulfside Trail, Jefferson Loop | Jan. 17, 2025
BP | Snow - Packed Powder/Loose G... | | | | Mt. Jefferson, Mt. Adams, Mt. Madison
via Jewell Link, Jewell Trail, Gulfside, Jefferson Loop, Lowe'... | Jan. 12, 2025
bootsnpaw | Snow - Trace/Minimal Depth,... | | | | Mt. Monroe, Mt. Washington, Mt. Jefferson
via Ammonoosuc Ravine Trail, Crawford Path, Monroe Loop, Cog R... | Jan. 12, 2025
Borealis | Snow - Packed Powder/Loose G... | | | | Mt. Monroe, Mt. Washington, Mt. Jefferson
via Ammonoosuc Ravine Trail, Crawford Path, Monroe Loop, Cog R... | Jan. 11, 2025
Kyle L & E.T. Fudge | Ice - Blue, Snow - Packed Po... | | | | Mt. Jefferson
via Jefferson Notch Road, Caps Ridge Trail | Dec. 31, 2024
Carl G | Dry Trail, Snow/Ice - Frozen... | | | | Mt. Jefferson
via Jewell Spur Trail, Jewell Trail, Gulfside, Jefferson Loop,... | Dec. 31, 2024
Danielle | Dry Trail, Ice - Black, Snow... | | | | Mt. Madison, Mt. Adams, Mt. Jefferson
via Valley Way, Osgood Trail, Gulfside, Airline, Lowe’s Path... | Dec. 28, 2024
ABomb | Snow - Trace/Minimal Depth,... | | | | Mt. Jefferson
via Castle Trail, Gulfside, Jewell Trail | Dec. 27, 2024
Jen B | Snow/Ice - Frozen Granular,... | | | | Mt. Jefferson, Mt. Washington
via Jewell Trail, Gulfside, Jefferson Loop, Cog Rail Trail | Dec. 27, 2024
Nicole | Snow - Trace/Minimal Depth,... | | | | Mt. Jefferson
via Jewell Trail, Gulfside, Jefferson Loop | Dec. 27, 2024
GoBlue | Snow - Packed Powder/Loose G... | | | | Mt. Jefferson
via Jewell Trail, Gulfside, Jefferson Loop | Dec. 26, 2024
Ross | Snow - Packed Powder/Loose G... | | | | Mt. Jefferson
via Jewell Spur, Jewell Trail, Gulfside, Jefferson Loop | Dec. 26, 2024
Mike | Snow - Trace/Minimal Depth,... | | | | Mt. Jefferson, Mt. Adams, Mt. Madison
via Jewell Trail, Gulfside, Jefferson Loop, Airline, Osgood Tr... | Dec. 15, 2024
Chase H. | Snow - Packed Powder/Loose G... | | | | Mt. Jefferson, Mt. Washington
via Boundary Line Trail, Caps Ridge Trail, Gulfside, Jewell Tr... | Nov. 14, 2024
Jakob Philippe | Snow - Trace/Minimal Depth,... | | | | Mt. Jefferson, Mt. Adams, Mt. Abigail Adams
via Caps Ridge Trail, Gulfside Trail, Lowes Path | Nov. 14, 2024
ramble | Dry Trail, Snow - Trace/Mini... | | | | Mt. Jefferson, Mt. Adams
via Caps Ridge Trail, Gulfside Trail, Some Other Trail (I forg... | Nov. 10, 2024
The Deb | Dry Trail, Wet/Slippery Rock... | | |
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