Appalachian Trail: ME 4 to Caribou Valley Road
This rugged 21.6-mile route links five summits and passes a plague honoring the final section of the Appalachian Trail.
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Shelters: Piazza Rock Lean-to; sleeps 8. Poplar Ridge Lean-to; sleeps 6. Spaulding Mountain Lean-to; sleeps 8.


Trail Facts
- Distance: 34.8
Waypoints
WPT006
Location: 44.973201751709, -70.40625
AT follows Sluice Brook; small waterfalls/flume
WPT001
Location: 44.970085144043, -70.4458999633789
Poplar Ridge Lean-to
WPT016
Location: 44.9956321716309, -70.3410491943359
Trail to Spaulding Mtn. Lean-to. AT continues .1 mi. to the spring and another spur trail that leads back to the shelter
WPT010
Location: 44.9762153625488, -70.3830642700195
Open maple forest
WPT005
Location: 44.9085006713867, -70.5237503051758
Ethel Pond
WPT004
Location: 44.9048500061035, -70.5292358398438
Trail to The Caves
WPT007
Location: 44.902717590332, -70.5356369018555
Saddleback Stream
WPT007
Location: 45.033634185791, -70.3303298950195
View Mt. Washington
WPT009
Location: 45.0390815734863, -70.3426971435547
South Branch Carrabassett river
WPT010
Location: 44.9176826477051, -70.5232009887695
Inlet Stream to Eddy Pond
WPT014
Location: 44.9851989746094, -70.3509674072266
Mt. Abraham Trail to Mount Abraham
WPT005
Location: 44.8921508789062, -70.5350189208984
Gravel road
WPT004
Location: 44.9733848571777, -70.4072036743164
Orbeton Stream
WPT017
Location: 44.9469909667969, -70.4939117431641
Saw Big Moose with calf
WPT005
Location: 45.0240821838379, -70.3210830688476
View of the valley to SE; look for Sugarloaf Mtn. and tower
WPT008
Location: 45.0348014831543, -70.3342819213867
Rock slide; AT reroute
WPT003
Location: 44.9770011901856, -70.4143142700195
Views to the N
WPT013
Location: 44.9736671447754, -70.3626327514648
Lone Mountain
WPT002
Location: 44.9716148376465, -70.4426498413086
Poplar ridge
WPT014
Location: 44.9347343444824, -70.506950378418
Orange Trail to Saddleback Ski Area Lodge
WPT009
Location: 44.9766502380371, -70.3850860595703
Trail
WPT018
Location: 44.9514389038086, -70.4869766235352
The Horn
WPT012
Location: 44.9198989868164, -70.5243988037109
Gravel road
WPT003
Location: 45.0033340454102, -70.3358154296875
Trail to Spaulding Mtn.’s summit (150 yds.)
WPT009
Location: 44.904167175293, -70.5300521850586
Piazza Rock Lean-To: Large shelter with skylight near the Piazza Rock; double privy with cribbage board. This area is a great hike with long stretches above tree line and lots to see. Elevation gain and loss is quick and dramatic. Fair amount of rock scrambling past Saddleback Mtn.
WPT006
Location: 44.9019508361816, -70.5358963012695
Snowmobile Trail
WPT003
Location: 44.9043159484863, -70.5307312011719
Trail to lean-to; water
WPT012
Location: 44.9749984741211, -70.3757476806641
Perham Stream
WPT020
Location: 44.9580497741699, -70.4571304321289
Saddleback Jr.
WPT002
Location: 44.9048347473144, -70.5312347412109
Piazza Rock: A large boulder jutting out of the hillside
WPT009
Location: 44.9170684814453, -70.5235137939453
Eddy Pond
WPT016
Location: 44.9388656616211, -70.5023345947266
Second marked peak of Saddleback Mountain
ZZZ003
Location: 44.8869018554688, -70.5404663085938
AT continues straight across ME 4; parking. To reach Rangeley, ME, turn L onto ME 4 (1.7 mi. one-way)
WPT008
Location: 44.9960517883301, -70.3408966064453
Spring and trail to shelter
WPT004
Location: 45.0157165527344, -70.3268203735352
Memorial plaque where last AT section was completed
WPT007
Location: 44.9786834716797, -70.3964309692383
Cross Sluice Brook
WPT001
Location: 44.9957504272461, -70.3413467407226
Spaulding Mtn. Lean-to
WPT021
Location: 44.9595336914062, -70.4528503417969
Small stream
WPT011
Location: 44.975025177002, -70.3759002685547
Gravel road
ZZZ010
Location: 45.0395317077637, -70.3446197509766
Caribou Valley Rd.; park in pullouts on side of road
WPT006
Location: 45.026782989502, -70.3207168579102
Trail to Sugarloaf summit and warming hut with picturesque views of the sunrise and sunset
WPT015
Location: 44.936450958252, -70.504768371582
Saddleback Mountain: Southernmost point from which you can see Mt. Katahdin
DSCF9147
Location: 44.9738349914551, -70.4034652709961
DSCF9158
Location: 45.0392990112305, -70.3428497314453