NE U.S. 25-Mile Isolation Peaks

Connecticut/Delaware/Maine/Maryland/Massachusetts/New Hampshire/New York/Pennsylvania/Vermont, United States, North America

Clubbox42

Add photos See all photos

4145 Hits
72.08% Score
2 Votes

NE U.S. 25-Mile Isolation Peaks

Page Type:	List
	Sign the Climber's Log!

What is the 25-Mile Isolation List?

Just as 2000' is an important prominence threshold and 14000' an important elevation threshold, 25 miles is the magic number that gives a peak a spot on an isolation list. This page contains those peaks with 25 miles of isolation which are in the northeastern United States. But what is isolation anyway? Isolation is how far a peak is from the nearest higher one. Understandably, isolated peaks are often also high in elevation, are very topographically prominent, or, in some cases, both. This is the eastern U.S., keep in mind, so the highest thing there is is Mount Washington, NH, however the peaks are generally speaking very important for eastern peakbagging.

Contained below is a table containing the peak's name--which has a hyperlink to the peak page--as well as its isolation, elevation, and topographical prominence. So, without further ado, the NE U.S. isolation list.

The Northeastern 25-Mile Isolation List

Data taken from the Peakbagger page. Peaks without links have no SP page.

NE Rank	State	Peak Name	Isol (Mi.)	Elev. (Ft.)	Prom (Ft.)
1	NH	Mount Washington	819.6	6,288	6,148
2	ME	Katahdin	158.3	5,268	4,288
3	NY	Slide Mountain	136.4	4,180	3,280
4	NY	Mount Marcy	129.6	5,344	4,914
5	ME	Cadillac Mountain	87	1,528	1,528
6	PA	Lyon Hill	75.7	2,580	980
7	ME	Sugarloaf Mountain	64.8	4,240	3,168
8	PA	North Mountain	58	2,585	1,385
9	VT	Killington Peak	56.3	4,235	3,315
10	VT	Mount Mansfield	51.9	4,393	3,633
11	MD	Wicomico CoHP	50	90	38
12	PA	Blue Knob	46	3,120	780
13	NY	Madison CoHP	43.9	2,140	980
14	ME	Mount Megunticook	42.1	1,385	1,225
15	NH	Mount Monadnock	41.2	3,165	2,130
16	PA	Elk Hill	39.7	2,680	1,280
17	VT	Stratton Mountain	35.9	3,940	2,405
18	ME	Lead Mountain	35.7	1,480	1,120
19	NY	Frost Hill	34.3	2,280	1,120
20	ME	Mars Hill	33.9	1,748	1,208
21	MA	Mount Everett	32.1	2,608	1,663
22	ME	Musquash Mountain	31.5	1,220	860
23	PA	Armenia Mountain	30.5	2,458	1,198
24	MA	Manomet Hill	30.5	395	345
25	DE	Cape Henlopen Great Dune	29.9	70	Unknown
26	MA	Marthas Vineyard HP	29.8	311	311
27	NY	Virgil Mountain	29.5	2,132	932
28	VT	Jay Peak	29.1	3,858	2,972
29	MA	Sankaty Head	28.5	111	111
30	MA	North Green Hill	28.3	160	Unknown
31	NY	Snowy Mountain	28.2	3,899	2,225
32	NY	Connecticut Hill	28	2,099	1,119
33	ME	White Cap Mountain	27.5	3,654	2,604
34	ME	Bald Mountain	27.1	1,261	1,033
35	MD	Quirauk Mountain	26.7	2,140	1,460
36	VT	Mount Ellen	26.7	4,083	2,130
37	ME	Mount Harris	26.7	1,220	945
38	ME	Russell Mountain	26.4	2,402	1,102
39	MA	Great Blue Hill	25.9	640	483
40	PA	Bears Head	25.3	2,094	774
41	CT	Burley Hill	25.2	1,316	666
42	PA	Centre CoHP	25.1	2,630	390
43	PA	Tuscarora Mountain	25.1	2,458	1,438

Mount Davis, PA

It is worth mentioning that Mount Davis, PA, might well belong on this list, Peakbagger gives it 24.99 mi. of isolation. There may be other peaks like this, in the "Error Range," all of which warrant further research. If anyone has any conclusive data, please let me know ASAP, because the total would then go up from 43 to 44, making this list inaccurate.

Mount Ellen or Camel's Hump?

It is uncertain whether Ellen or Camel's Hump is higher, so if anyone has anything conclusive one way or the other, please let me know ASAP, because if Camel's Hump is truly higher, then Mount Ellen does not have 25 miles of isolation, taking the total down from 43 to 42, making this list inaccurate.