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Lucky Peak Hike, Boise - The Ridge Less Traveled II

2/20/2021

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In search of new routes and solitude on Lucky Peak, an historic mining district, amidst burgeoning Boise trail use.
Related: 
Lucky Peak, the Ridge Less Traveled
Lucky Peak HIke - Winter Ascent
The 10 Essentials to carry with you on day hikes
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Adelmann Mine in Boise River Wildlife Management Area
Trip Stats
  • Overview:  This Lucky Peak southeast ridge hike begins in open, rolling grass and shrub terrain and ends in a Ponderosa pine forest, with a colossal view of Boise and the Owyhee Mountains to the south from the summit.  Trail goes straight up - no switchbacks here!  It's hard work but the solitude, route-finding, and opportunity to see wildlife is worth the effort.
  • Location:  Boise River Wildlife Management Area and Boise National Forest, Idaho.  Administered by Idaho Dept. of Fish and Game.
  • Distance/Elevation gain:  7.5 miles total out and back.   Trailhead is 3,509',  Lucky Peak Summit is 5,904' for a gain of 2,723' including ~ 300' of regaining elevation lost.  This equates to > 700' average gain/mile.
  • Difficulty:  Moderate - Strenuous Class 2 with off-trail navigation.
  • Map:   USGS Lucky Peak Quad 7.5 minute series.
  • ​More info:  Boise River WMA.  Map of Boise River WMA.       
  • Hike Directions:  Walk through relatively flat valley on 2-track dirt road, crossing creek twice.  Arrive at toe of ridge at 0.8 miles, just past wooden fence with opening.  A more defined trail angles to the right along steep-sided v-shaped valley; however follow faint path left, straight up ridge in a northwest direction, staying on the ridge mostly; losing a little bit of elevation when descending to a few saddles.  Head toward line of trees.  Reach Point 5645 at 2.7 miles,  and go around the left of it to the line of trees.   The ridge turns more westerly, with steep terrain dropping to the north.  Reach the Boise National Forest boundary marked by orange metal posts at 2.8 miles.  Follow ridge to saddle with road at 3.0 miles.  Continue through trees past a few Bird Observatory campsites on a trail, then up final short steep ascent to radio towers and summit at 3.75 miles.
  • CAUTION:  Experience with off-trail navigation necessary.
  • Dogs are required to be on a leash in the Boise Front segment of the Boise River WMA.  Lucky Peak and this hike is in the Boise Front segment.
  • Trailhead:  Traveling north on Idaho Hwy 21 from Boise, go past Highland summit.  This route begins at brown metal gate at small parking area, just past Boise River Wildlife Management Area (WMA) headquarters parking lot.
  • Geology:  Granodiorite and two-mica (biotite and muscovite) granite from the Cretaceous age.  Includes bulk of Atlanta Lobe batholith of intrusive igneous rocks (85-67 Mya).
History of the Adelmann Mine
Owned by the Adelmann brothers, one of which was Richard Adelmann, a German miner and Civil War Veteran who also built the Adelmann Building in downtown Boise at Capitol and Idaho Street in 1902.   Gold was the primary commodity, followed by extraction of silver and zinc.  The Adelmann Group was part of the Black Hornet District.  The Black Hornet Mine is located directly south of the Adelmann Mine in Boise River WMA.  The deposit was an underground vein in a host rock of Atlanta Lobe of the Idaho Batholith - two mica granite of Cretaceous age.
A very thorough report by the Idaho Geological Survey includes Black Hornet Mine and Queen Mine from the Lucky Peak area:
Site Inspection Report for Abandoned and Inactive Mines on Land Administered by the U.S. Bureau of Land Management in the Boise Resource Area, Idaho:  Boise Foothills, Ada County, and Osborne Mine, Gem County 
Gear
Snow boots, snowshoes, gaiters, GPS, Yaktrax Pro diamondgrip, walking pole.

Helpful technique - The Rest Step
When breaking trail up a steep snow slope, the rest step helps you to conserve energy and prevents your legs from getting too quickly fatigued.  It is a rhythmical gait, resting momentarily with each step by putting your weight onto a straight back leg and letting your other leg swing forward.  The idea is to decrease the use of muscles with every step and let your weight be supported by leg bones instead.  Take small steps.  REI snow travel techniques.
 Our Hike
The ability to leave city life - temporarily - and get a taste of early 1900's mining life is one of the great advantages of hiking Lucky Peak.  Even if you don't go to the Adelmann or Black Hornet mines, you can stumble onto some old rusted equipment, or an old mining claim like the one in the photograph below of the Blue Grouse Lode discovery.

Lucky Peak, a.k.a. Shaw Mountain in Boise has been a "staple" hike for us the past 20 years because we gain a good amount of elevation - 3,000 feet - in 4.5 miles and it's close to home.   With the influx of people moving into the Boise area and subsequent increased trail traffic, we have added four additional routes to its summit in search of more solitude.    We call each route by a different name.  There's the "backside" route from the Wilderness Management Area headquarters (Lucky Peak:  The Ridge Less Traveled).  There's two ridge hikes we use to hike and snowshoe.  Then, there's the Pruett route, named after our friend and his two boys whom we took up one cold early spring day.   Most photos on this post represent different hikes/snowshoe hikes up the same southeast ridge.
 
This route is a steep ascent that overlooks the road to Adelmann Mine, often "crowded" with hikers.   The primary purpose of the Boise River Wildlife Management Area is to "Provide winter habitat for mule deer and elk, and year-round habitat for other wildlife species."   This WMA supports the largest wintering mule deer herd in Idaho.  Elk sign is present, especially during the winter months.  Once we saw a majestic bull elk silhouetted on the next ridge over, his large herd of cows watching us, then they disappeared over the ridge.  The view of the mountainous Boise National Forest is spectacular most of the way, especially in winter.
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Boise National Forest peaks to the northeast
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At Trailhead:  An early November 2020 hike (above), and a hike on 1/1/21 (bottom).
Follow ridge to tree line - the highest point on the horizon is Point 5645, 2.7 miles from trailhead.
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The hike begins on a Boise River WMA access road and treks through a pretty native grassland valley, crosses a creek twice before ending at the toe of an undulating  ridge at about 0.80 miles.  At this point we leave the trail and head straight up a faint trail, staying mostly on the top of the ridge, aiming northwest for the forest on the horizon,  where the Lucky Peak radio towers can be seen at a distance.   A  walk over a few saddles, and a final climb to the summit gets you to an expansive view of Boise and the entire Treasure Valley.  The Owyhee Mountains line up on the southwest horizon.  Most years in the fall, we will see the Boise State University's Intermountain Bird Observatory scientists on the summit with their binoculars.  The Lucky Peak Station accepts visitors and posts directions for driving a dirt road to the summit  on their web page.
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Native as well as invasive grasses carpet the valley the first 0.8 mile of the ridge approach.
​Signs of the 2016 Mile Marker 14 fire.
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Many sagebrush have been burned by the Mile Marker 14 Fire in 2016 which closed the Boise River Wildlife Management Area at that time.
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The terrain drops steeply on each side of the ridge in a few spots.  Once I can see Adelmann Mine at 2.1 miles in a deep valley to my left, I know we are nearly at the tree line.  The mine buildings are well-camouflaged.  
There are also a number of bare rock outcrops on the ridge that look like core stones, or tors.  Their rate of weathering seems to be slower than that of the granite previously surrounding them that has weathered away.  Maybe the grains in this granite are more cemented, or the joints further apart than the rock that has been weathered and eroded.  At any rate, they look like sentinels guarding the ridge.
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Core stone looking over Adelmann Mine buildings at 5,000 feet elevation.
Primary commodity - gold

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Going up middle southeast ridge to Point 5645 on horizon with row of trees, which is 2.7 miles into hike
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 Idaho!
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Good place to use the Rest Step technique!
(see above)

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Reach tree line at 5,600 feet elevation 
At the forested ridge, Lucky's summit is only another 300' gain.    Metal posts mark Boise National Forest boundary and can be followed to a road that arises from Adelmann Mine.   At the high point of this road, at a shaded saddle with a view toward Shafer Butte near Bogus Basin Ski Area to the north, a trail ascends to the west, passing by a few tent campsites.  One more short climb to the summit and you are rewarded with a 360-degree view, mostly of the flat Snake River Plain and civilization at your feet.  The mountainous  Boise National Forest lies to the north.

We relinquish our solitude for a few moments on the summit as 4 groups of hikers come and go.  Then we are back on our own as we descend the ridge less traveled, intersecting elk trails in the snow.   The descent is steep in parts as we pass by mining relicts.  Try to imagine the gold miners on these ridges.  Return to "civilization."  Lucky to have the best of both worlds.
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View of Treasure Valley in the Snake River Plain from Lucky Peak's summit.
Owyhee Mountain range on the horizon.

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Antelope bitterbrush overlooking the Snake River Plain
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From Lucky Peak summit looking north to Shafer Butte (left) near Bogus Basin Ski Area 
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We didn't make it all the way to the summit on this southeast ridge hike. 
​North is to right of image - click for larger image
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Our GPS tracks to/from summit
Lucky Peak Reservoir in distance

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Going back down:  slow going through brush on lower slope.
​Lower road leads to Adelmann Mine
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Overlooking Lucky Peak Reservoir
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Heading down ridge - Boise River WMA in valley on right.  Our trailhead in valley on left.
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Beautiful valley at end of hike
This image is as taken - no editing

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Great way to end the hike!
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Our GPS track from Idaho Hwy 21 to Lucky Peak Summit
click on map for larger image

References

The Diggings - Adelmann Group
​
Western Mining History - Adelmann Group - westernmininghistory.com
Maley, T.  1994.  Field Geology Illustrated, 2nd ed.  Mineral Land Publications, Boise, Idaho.
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© 2017 - 2023 by Sue Birnbaum.  Photos on this website are the sole property of Sue Birnbaum unless otherwise indicated.  Please receive permission before publishing my trip reports and photos.
I try my best to be accurate with my hike descriptions; please research your adventures, always bring a map and compass and know how to read them, be prepared!  All of these hikes can be dangerous; hike at your own risk.  ALWAYS carry the Ten Essentials with you on hikes. 
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