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Continental Divide Trail Data Book

Section MT1-MT3, Mile 2084.3 to 2176.3

CDT Maps

Continental Divide Trail
topographic maps

Trail Section
Section Overview
Mileage
Start Mile:2084.3
End Mile:2176.3
Distance:92.0
Elevation
Start Elevation:8005
End Elevation:7043
Min Elevation:6774
Avg Elevation:8022
Max Elevation:10013
Elevation Gain (approximate):13723
Elevation Loss (approximate):-14691
Net Elevation Change:-962
Roads
Primary/Secondary roads crossed: 11
Other roads crossed: 1
US highways crossed: 1
State highways crossed: 1
Total roads crossed: 14
Popular Resupply
MileElevDFTName
2111.6 7083 8 West Yellowstone MT
DFT is straight line distance from trail departure point.
Climate
°F Mean Prc SWE %Cov Max
Jan 28/-4 11 3.2 9.5 99.8 34.2
Feb 32/-3 14 2.5 12.6 99.9 41.5
Mar 37/0 19 2.8 15.3 99.4 48.0
Apr 46/11 29 2.3 16.0 98.2 64.0
May 57/20 38 2.8 9.6 76.8 60.9
Jun 67/27 47 2.9 1.8 19.4 45.1
Jul 76/31 53 2.0 0 0 21.2
Aug 75/30 52 2.1 - - -
Sep 65/23 44 2.1 - - -
Oct 53/17 35 1.9 - - -
Nov 37/7 21 2.7 1.5 82.6 9.8
Dec 27/-3 12 3.1 5.2 99.9 21.5
Min temp is minimum average low and high temp is maximum average high in section. Does not account for 'heat waves' or 'cold spells', may alter temp by 10-15° or more. Precip is not snow, SWE is 'Snow Water Equivalence' in inches, MAX is max SWE. Cover is average monthly percent of snow cover. No snow data for Aug, Sep, Oct. Snow data begins Nov 2003.
Section Elevation Range
RangeMiles%
6000-70004.65.0
7000-800049.053.3
8000-900028.230.6
9000-1000010.111.0
10000-110000.10.1
Named Lakes/Wetlands/Glaciers
Name Mile DFT Acres Trail
Elev
Water
Elev
Beaver Ponds 2106.3 256 25 7680 7675
Lillian Lake 2152.2 199 2 7801 7789
Blair Lake 2154.6 962 9 8389 8108
Within a quarter mile of trail. DFT is distance from trail in feet. Mile is closest trail mile to lake, not necessarily the best access. Acres is the area of the lake.
Named Drainages
MileElevName
2095.8 6776 Reas Pass Creek
2109.2 7500 East Fork Denny Creek
2121.9 8992 Targhee Creek
2131.4 7083 Mile Creek
2140.6 7844 Anthill Creek
2146.8 7483 Cole Creek
2149.0 7043 Hell Roaring Creek
2149.9 7181 Hell Roaring Creek
2151.7 7552 Hell Roaring Creek
2175.5 7230 Scalp Creek
Section Land Cover
TypeMiles%
shrub/scrub42.0145.66
evergreen39.6643.11
grassland/herbaceous8.849.60
diciduous0.570.62
emergent herbaceous wetlands0.430.46
woody wetlands0.290.32
mixed0.100.10
developed; open space0.100.11
developed; low intensity0.010.01
Section Tree Cover
TypeMiles%
Lodgepole pine 41.2344.81
Engelmann spruce-subalpine fir 19.8521.58
No tree cover17.5519.07
Douglas-fir 7.367.99
Whitebark pine 3.784.11
Aspen 1.831.98
Subalpine fir 0.210.23
Limber pine 0.160.17
Engelmann spruce 0.040.04
Fire Perimeters
YearNameMiles%
2013 Mount Two Top 0.37 0.40
2006 Raynolds Burn 1.64 1.78
Public/Physical Boundary
TypeNameMiles%
Forest Beaverhead-Deerlodge National Forest 6.3 6.9
Forest Caribou-Targhee National Forest 39.1 42.5
Forest Gallatin National Forest 31.0 33.7
State Idaho 39.2 42.6
State Montana 52.8 57.4
County Beaverhead 21.7 23.6
County Clark 11.6 12.6
County Fremont 27.6 30.0
County Gallatin 22.4 24.4
County Madison 8.6 9.4
Basin Missouri Region 52.7 57.3
Basin Pacific Northwest Region 39.3 42.7
Physiographic Rocky Mountain System 92.0 100.0
Geology
AgeTypeMiles%
Tertiary Volcanic rock; Mixed volcanic/clastic rock 21.0 22.8
Tertiary - Archean Metamorphic rock; Plutonic rock 14.2 15.4
Late Pleistocene Rhyolite; Ignimbrite 12.6 13.6
Mississippian Carbonate rock; Fine-grained mixed clastic rock 10.0 10.8
Pennsylvanian and Mississippian Arenite; Siltstone 8.3 9.0
Early Middle Proterozoic to Early Proterozoic Mica schist; Marble 5.1 5.6
Early Cretaceous; Jurassic Medium-grained mixed clastic rock; Mudstone 4.0 4.3
Ordovician and Cambrian Limestone; Dolostone 3.8 4.1
Triassic Shale; Limestone 2.7 2.9
Eocene Trachyandesite; Latite 2.3 2.5
Late Pleistocene Rhyolite; Lava flow 1.2 1.3
Triassic Fine-grained mixed clastic rock; Limestone 1.2 1.4
Early Cretaceous Sandstone; Siltstone 1.1 1.2
Quaternary Alluvium; Glacial drift 1.0 1.1
Late Pleistocene Till; Glacial outwash sediment 0.9 1.0
Jurassic Siltstone; Shale 0.8 0.9
Permian Fine-grained mixed clastic rock; Carbonate rock 0.5 0.5
Quaternary Alluvium; Alluvial terrace 0.3 0.3
Early Pleistocene Rhyolite; Ignimbrite 0.2 0.2
Permian Chert; Shale 0.2 0.2
Tertiary Medium-grained mixed clastic rock; Coarse-grained mixed clastic rock 0.2 0.3
Jurassic Fine-grained mixed clastic rock; Limestone 0.2 0.3
Pennsylvanian Sandstone; Mudstone 0.1 0.2
Pliocene Rhyolite; Trachyte 0.1 0.1
Road Crossings
MileElevTypeName
2084.4 8008 Pri/Sec Black Canyon Loop Rd
2106.4 7703 Other USFS Rd 1703
2111.6 7083 US US Hwy 20
2111.6 7083 Pri/Sec Fs 1790
2111.8 7171 Pri/Sec Fs 1790
2135.4 6832 State State Hwy 87
2142.0 7864 Pri/Sec Natl Forest Develop Road 056 Trl
2142.8 7765 Pri/Sec Natl Forest Develop Road 056 Trl
2143.4 7595 Pri/Sec Natl Forest Develop Road 056 Trl
2144.8 7276 Pri/Sec Natl Forest Develop Road 056 Trl
2144.9 7260 Pri/Sec Natl Forest Develop Road 056 Trl
2145.0 7260 Pri/Sec Natl Forest Develop Road 056 Trl
2145.4 7162 Pri/Sec Natl Forest Develop Road 056 Trl
2145.5 7152 Pri/Sec Red Rock Pass Rd
Passes/Gaps
NameElevMile
Targhee Pass 7112 2111.6
Raynolds Pass 6837 2135.3
Snoo-weh Pass 7263 2144.9
Red Rock Pass 7162 2145.4
Lightning Strikes
AvgMax
Jan 4 8
Mar 1 1
Apr 6 24
May 2 10
Jun 6 56
Jul 5 31
Aug 5 41
Sep 3 11
Oct 3 14
Near trail lightning strikes
Shelters
NameElevMile
Waypoint Detail
Desc Mile DTN DTP NW Elev LPL HPL Comment
01-100WT 2085.4 0.6 7864 creek
01-106WT 2086.0 1.2 0.6 7956 7860 7972 creek
Natl Forest Develop Road 066 Rd 2087.2 0.8 1.2 8070
01-126RX 2088.0 0.6 0.8 8139 8070 8143 Ahead
01-132RX 2088.6 2.3 0.6 8106 8106 8149 Ahead
01-154RX 2090.9 0.4 2.3 7867 7851 8110 Ahead
01-159RX 2091.3 0.1 0.4 7857 7857 7890 Ahead
01-160GT 2091.4 1.9 0.1 7841 7824 7857 Gate
Caribou-Targhee National Forest
Fremont 2093.3 0.0 1.9 7454
Idaho
Natl Forest Develop Road 066 Rd 2093.7 2.1 0.4 7349 7349 7454
01-204XR Right
Reas Pass Creek 2095.8 0.0 2.1 6774 6774 7349
01-223XL 2097.7 0.5 1.9 6935 6778 6938 Left
01-228XL Leave rd Left
Gallatin National Forest
Gallatin
Montana 2098.2 0.0 0.5 6942 6942 6942
2013 Mount Two Top Fire 2101.1 0.4 2.9 7765 6942 7785
2013 Mount Two Top Fire
Gallatin
Montana 2101.5 0.0 0.4 7709
01-265XX 2101.9 0.9 0.4 7670 7664 7726 Cross Road
Fremont
Idaho 2102.8 0.0 0.9 8041 8041 8041
01-304XX 2105.7 0.2 2.9 7913 7847 8057 X Road
Gallatin National Forest 2105.9 0.1 0.0 7860 7860 7913
Montana
01-307XX 2106.0 0.1 0.1 7795 7795 7867 X Road
Caribou-Targhee National Forest 2106.1 0.1 0.1 7755 7755 7801
Fremont
Idaho 2106.2 0.1 0.0 7729
Beaver Ponds 2106.3 0.1 0.1 7680 7680 7746
USFS Rd 1703 2106.4 0.8 0.1 7703 7680 7700
01-319XX 2107.2 0.4 0.8 7752 7703 7752 Ahead
01-323XX 2107.6 0.1 0.4 7719 7719 7788 Ahead
01-324WT 2107.7 1.2 0.1 7709 7700 7726 creek
01-335WT 2108.9 0.3 1.2 7483 7490 7726 creek
01-338WT creek
East Fork Denny Creek 2109.2 1.0 0.0 7500 7500 7500
Gallatin 2110.2 0.0 1.0 7473 7473 7591
Montana
01-361TH 2111.5 0.1 1.3 7076 7076 7493 Targhee Pass
West Yellowstone MT
MTID Seg 2
Targhee Pass Hwy
Fs 1790
Targhee Pass
MTID Seg 2 2111.6 0.1 0.0 7083 7083 7083
Caribou-Targhee National Forest
Fremont 2111.7 0.1 0.0 7112 7112 7112
Idaho
Fs 1790 2111.8 1.7 0.1 7171 7119 7168
02-020XL 2113.5 0.4 1.7 7657 7171 7657 Left on trail
Gallatin National Forest
Montana 2113.9 0.3 0.0 7883
Caribou-Targhee National Forest 2114.2 5.1 0.0 8001 7883 8008
Fremont
Idaho
Gallatin National Forest
Montana 2119.3 0.0 5.1 8343 8343 8343
02-090XL 2120.5 1.0 1.2 8792 8343 8795 Left
Caribou-Targhee National Forest
Fremont 2121.5 0.4 0.0 9087 9087 9087
Idaho
02-104WT 2121.9 0.0 0.4 8996 8992 8996 TARGHEE CR
Targhee Creek
Lake/pond/tank 2122.3 0.2 0.4 9019 8989 9051
02-109WT 2122.5 0.1 0.0 9025 8989 9032 creek
Clark Lake
Lake/pond/tank 2122.6 2.3 0.1 9009 9009 9035
02-132HP 2124.9 0.9 2.3 9993 8999 9993 TARGHEE PASS
Caribou-Targhee National Forest
Fremont 2125.8 0.5 0.0 9573 9573 9573
Idaho
02-147XX N on Mile Cr Trail
Gallatin National Forest 2126.3 5.0 0.0 9330 9320 9330
Madison
Montana
02-196XL 2131.3 0.1 5.0 7125 7125 9347 Left
Mile Creek 2131.4 2.2 0.1 7083 7080 7132
Gallatin National Forest
Madison 2133.6 1.1 0.0 7447 7447 7447
Montana
Caribou-Targhee National Forest
Fremont
Idaho 2134.7 0.0 1.1 7152
Raynolds Pass 2135.3 0.1 0.6 6837 6837 7150
02-236OP 2135.4 0.0 0.1 6833 6833 6837 Raynolds Pass
State Hwy 87
02-242WT 2135.9 1.2 0.5 6912 6820 6912 creek
02-254RR Follow Road S
Beaverhead-Deerlodge National Forest
Beaverhead 2137.1 0.1 0.0 7404 7404 7404
Beaverhead-Deerlodge National Forest 2137.2 0.4 0.0 7477 7404 7477
Montana
Caribou-Targhee National Forest
Fremont 2137.6 0.5 0.0 7683 7477 7683
Idaho
Caribou-Targhee National Forest
Beaverhead-Deerlodge National Forest
Fremont 2138.1 0.0 0.0 7519 7519 7519
Beaverhead
Idaho
Montana
02-281GT 2139.8 0.7 1.7 7952 7490 7952 wire gate
02-287WT 2140.5 0.1 0.7 7851 7837 8015 spring
Anthill Creek 2140.6 0.1 0.1 7844 7841 7854
Beaverhead-Deerlodge National Forest
Montana 2140.7 0.5 0.0 7923 7923 7923
Caribou-Targhee National Forest
Fremont 2141.2 0.0 0.5 8080 8080 8080
Idaho
02-298RL 2141.6 0.2 0.4 7877 7877 8080 Left
Caribou-Targhee National Forest
Fremont
Idaho 2141.8 0.0 0.2 7860
Natl Forest Develop Road 056 Trl 2142.0 0.1 0.2 7864 7857 7864
Lake/pond/tank 2142.1 0.1 0.1 7870 7864 7870
02-306WT 2142.2 0.2 0.1 7864 7864 7874 farm-tank
02-308RX 2142.4 0.3 0.2 7847 7844 7870 road-xing
Beaverhead 2142.7 0.0 0.3 7798 7788 7854
Montana
Natl Forest Develop Road 056 Trl 2142.8 0.0 0.1 7765 7765 7805
Beaverhead-Deerlodge National Forest
Natl Forest Develop Road 056 Trl 2143.4 0.6 0.6 7595 7595 7765
02-323RL 2144.0 0.5 0.6 7414 7411 7595 Bear Left
Caribou-Targhee National Forest
Fremont
Idaho 2144.5 0.0 0.5 7404 7404 7404
Beaverhead-Deerlodge National Forest
Beaverhead
Montana 2144.6 0.0 0.1 7335
Natl Forest Develop Road 056 Trl 2144.8 0.1 0.2 7276 7276 7335
Natl Forest Develop Road 056 Trl
Snoo-weh Pass 2144.9 0.0 0.1 7263 7263 7276
Natl Forest Develop Road 056 Trl 2145.0 0.4 0.1 7260 7260 7276
Natl Forest Develop Road 056 Trl
Red Rock Pass 2145.4 0.1 0.0 7162 7162 7260
MTID Seg 3
Natl Forest Develop Road 053 Trl 2145.5 0.0 0.1 7152
MTID Seg 3
Lake/pond/tank 2145.8 0.2 0.3 7273 7148 7273
03-005GT 2146.0 0.2 0.2 7326 7270 7332 Gate
Lake/pond/tank 2146.2 0.3 0.2 7401 7316 7401
Beaverhead-Deerlodge National Forest 2146.5 0.3 0.3 7490 7401 7490
Cole Creek 2146.8 2.2 0.3 7483 7477 7542
03-036WT 2149.0 0.1 0.0 7043 6978 7542 hell roaring creek stream
Hell Roaring Creek
Hell Roaring Canyon 2149.1 0.2 0.1 7063 7037 7076
03-039XL 2149.3 0.6 0.2 7204 7057 7211 Left to Lillian lake
03-045WT Hell Roaring Creek
Hell Roaring Creek
Hell Roaring Canyon 2149.9 1.6 0.0 7181 7181 7181
03-061WT 2151.5 0.2 1.6 7595 7181 7719 spring
03-062WT Hell Roaring Creek
Hell Roaring Creek 2151.7 0.2 0.0 7552 7552 7552
Hell Roaring Canyon 2151.9 0.3 0.2 7680 7552 7683
MI-325WT 2152.2 0.0 0.0 7798 7680 7798 Lillian Lake
03-067XR Right at Liillian Lk trail
MI-326XL Left on CDT
Lillian Lake
03-075WT 2153.0 0.3 0.8 7847 7801 7965 creek
Beaverhead
Montana 2153.3 0.2 0.0 7742
03-080XL 2153.5 0.7 0.2 7847 7742 7851 Left
03-086XL 2154.2 0.6 0.7 8198 7844 8205 Left
Caribou-Targhee National Forest
Fremont 2154.8 0.1 0.0 8543 8543 8543
Idaho
Caribou-Targhee National Forest
Fremont 2154.9 0.3 0.0 8526 8526 8526
Idaho
03-096WT 2155.2 0.5 0.3 8326 8320 8556 creek
03-102WT 2155.7 0.8 0.5 8412 8310 8415 creek
Beaverhead 2156.5 0.1 0.0 8297 8293 8444
Montana
03-110MS 2156.6 0.3 0.0 8215 8215 8297 Marker
Beaverhead
Fremont
Montana
Idaho
03-114AP 2156.9 0.1 0.3 8093 8093 8195 access point
Caribou-Targhee National Forest 2157.0 0.2 0.1 8093 8093 8097
03-117MS 2157.2 0.8 0.2 8169 8093 8169 Follow Posts
Clark 2158.0 0.4 0.8 8238 8169 8330
Caribou-Targhee National Forest
Beaverhead
Clark
Montana
Idaho 2158.4 1.6 0.0 8152 8152 8152
Caribou-Targhee National Forest
Clark 2160.0 1.3 0.0 8710
Idaho
Beaverhead 2161.3 0.0 1.3 9268 8704 9288
Montana
Caribou-Targhee National Forest
Clark 2161.5 0.1 0.0 9402
Idaho
Beaverhead 2161.6 0.0 0.1 9445 9402 9445
Montana
Lake/pond/tank 2162.7 0.8 1.1 9527 9389 9635
Caribou-Targhee National Forest
Clark
Idaho 2163.5 0.3 0.0 9517
03-184XL Left
Beaverhead 2163.8 0.3 0.0 9452 9452 9540
Montana
Lake/pond/tank
Lake/pond/tank 2164.1 1.0 0.3 9291 9284 9442
03-195XL 2165.1 0.3 1.0 8884 8884 9291 Left switchback
Caribou-Targhee National Forest
Clark 2165.4 0.1 0.0 8763 8763 8763
Idaho
Beaverhead
Montana 2165.5 1.1 0.0 8730
03-210XL 2166.6 0.4 1.1 8375 8375 8730 Left
03-214GT 2167.0 0.3 0.4 8536 8369 8536 Gate
Caribou-Targhee National Forest
Clark
Idaho 2167.3 0.2 0.0 8635 8635 8635
Beaverhead
Montana 2167.5 0.0 0.2 8618 8618 8618
03-233WT 2168.8 0.1 1.3 8215 8215 8618 spring
Lake/pond/tank 2168.9 0.1 0.1 8205 8205 8215
Caribou-Targhee National Forest
Clark 2169.0 0.0 0.1 8228
Idaho
Beaverhead 2169.4 1.5 0.0 8415 8228 8435
Montana
Caribou-Targhee National Forest
Clark 2170.9 0.0 1.5 8172
Beaverhead
Idaho
Montana
03-259XX 2171.4 0.3 0.5 7801 7801 8149 X Road
03-263MS 2171.7 1.7 0.3 7870 7795 7870 Marker
03-278WT 2173.4 0.4 1.7 7555 7519 7936 stream
03-281WT 2173.8 0.1 0.4 7588 7555 7601 stream
Spring 2173.9 0.5 0.1 7608 7588 7608
Caribou-Targhee National Forest
Beaverhead
Clark
Montana 2174.4 1.1 0.0 7709
Idaho
03-299WT Scalp creek
Scalp Creek 2175.5 0.0 1.1 7230 7230 7230
03-302XX 2175.8 0.5 0.3 7148 7142 7230 follow 004
MTID Seg 4 2176.3 0.0 7050 7050 7158
MTID Seg 4

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