Back in 2016 we set a goal for ourselves to hike all 500 featured hikes in William L. Sullivan’s “100 Hikes…” series of guidebooks post. In 2020 we completed the first of these books covering the Central Oregon Cascades (post). We followed that up by completing a pair of books in 2021 starting with Sullivan’s “100 Hikes/Travel Guide Oregon Coast and Coast Range” 3rd edition (post) followed up by “100 HIkes/Travel Guide Northwest Oregon & Southwest Washington” 4th edition (post). Southern Oregon & Northern California was completed in 2023 leaving us with Eastern Oregon.
In 2023 we pivoted from the 3rd edition of Sullivan’s “100 Hikes/Travel Guide Eastern Oregon” to his renamed 2022 1st edition “100 Hikes Eastern Oregon” book. This was to avoid needing to make the tedious drive on horrible roads to Dug Bar in Hells Canyon which had been replaced as a featured hike in the newer edition.
The criteria for checking a hike off our list is to hike a portion of Sullivan’s described hike or, at least visit the main attraction(s) he identifies for the hike. For 67 of the hikes we completed the books described route. For the other 33 hikes various factors contributed to us not completing every option of each featured hike. For some we started at a different trailhead, others had portions of trail(s) closed when we visited, and several had additional options that we did not do.
Of the five regions Sullivan breaks his guidebooks into, the Eastern Oregon region is the largest and most diverse. The area covered in this book includes hikes in Oregon east of the Deschutes River in Central Oregon and from Klamath Falls (western most hike) east to the Idaho border. There is however one hike in Washington west of the Deschutes across the Columbia River from The Dalles, OR. It also includes one short option in Idaho (eastern most), one featured hike in California (southern most) making it his only book with hikes in more than two different States. The northern most hike is not the one in Washington. That honor belongs to the Wenaha River near Troy in NE Oregon.

The hikes involved several wilderness areas: Oregon Badlands, Mill Creek, Spring Basin, Strawberry Mountain, North Fork John Day, North Fork Umatilla, Wenaha-Tucannon, Eagle Cap, Hells Canyon, Monument Rock, and Steens Mountain. Missing from this list are the Black Canyon (post) and Gearhart Mountain (post) wilderness areas which had featured hikes in earlier versions of Sullivan’s book that we’d completed, but were removed in the 2022 edition due to wildfire damage.
In addition to the 11 designated wilderness areas there were hikes in two National Monuments, the John Day Fossil Beds National Monument in Oregon and the Lava Beds National Monument in California, and one National Volcanic Monument, the Newberry National Volcanic Monument.
Following is a list of the 100 featured hikes and the dates we visited.
#1 Cottonwood Canyon – Hiked 5/27/2017

#2 Columbia Hills – Hiked 4/4/2015 & 4/17/2021

#3 Lower Deschutes River – Hiked 6/9/2018

#4 Macks Canyon – Hiked 5/26/2018

#5 Criterion Tract – Hiked 05/28/2023

#6 Trout Creek – Hiked 10/12/2013

#7 Willow Creek at Madras – Hiked 5/27/2024

#8 Cove Palisades – Hiked 6/16/2018

#9 Gray Butte – Hiked 6/13/2015

#10 Oregon Badlands – Hiked 5/15/2016 & 12/24/2016

#11 Pine Mountain – Hiked 7/30/2012

#12 Paulina Falls – Hiked 8/9/2011 & 9/16/2017

#13 Paulina Lake – Hiked 8/9/2011 & 9/16/2017

#14 Obsidian Flow – Hiked 8/9/2011

#15 Crooked River Wetlands – Hiked 5/29/2024

#16 Chimney Rock – Hiked 9/22/2017

#17 Steins Pillar – Hiked 5/8/2013

#18 Juniper Hill – Visited* 5/27/2024

#19 Mill Creek – Hiked 7/31/2012

#20 Lookout Mountain – Hiked 6/12/2014

#21 Walton Lake – Hiked 6/17/2017 & 6/18/2021

#22 Spring Basin – Hiked 4/22/2017

#23 John Day Fossil Beds – Hiked 4/30/2016, 4/22/2017 & 9/17/2017
Painted Hills Unit
Clarno Unit
Blue Basin Unit
#24 Sutton Mountain – Hiked 4/30/2016

#25 Spanish Peak – Hiked 7/19/2021 & 7/20/2021

#26 Madison Butte – Hiked 5/28/2024

#27 Wildcat Basin – Hiked 7/24/2018

#28 High Lake – Hiked 7/26/2018

#29 Strawberry Lake – Hiked 7/25/2018

#30 Malheur River – Hiked 6/17/2021

#31 Canyon Mountain – Hiked 7/22/2021

#32 Monument Rock – Hiked 7/21/2021

#33 Bates and Sumpter – Hiked 9/17/2017

#34 Olive Lake – Hiked 9/18/2017

#35 Granite Creek – Hiked 9/21/2017

#36 North Fork John Day River – Hiked 9/19/2017

#37 Mount Ireland – Hiked 7/9/2022

#38 Baldy Lake – Hiked 9/20/2017

#39 Crawfish Lake – Hiked 8/16/2018

#40 Anothony Lake – Hiked 8/16/2018

#41 Elkhorn Crest – Hiked 8/12/2018, 8/13/2018, 8/14/2018, 8/15/2018 & 08/16/2018

#42 Twin Lakes – Hiked 8/13/2018

#43 North Fork Umatilla River – Hiked 6/14/2021

#44 Jubilee Lake – Hiked 9/12/2021

#45 Wenaha River – Hiked 5/25/2019

#46 Zumwalt Prairie – Hiked 5/26/2019

#47 Buckhorn Lookout – Hiked 6/15/2023

#48 Eureka Bar – Hiked 6/14/2023

#49 Hat Point – Hiked 7/21/2024

#50 Freezeout Saddle – Hiked 5/24/2019

#51 Hells Canyon Dam – Hiked 6/16/2023

#52 Hells Canyon Reservoir – Hiked 6/16/2023

#53 Imnaha Falls – Hiked 6/12/2023

#54 Bonny Lakes – Hiked 7/24/2024

#55 McCully Basin – Hiked 7/23/2024

#56 Mount Howard – Hiked 7/26/2024

#57 Aneroid Lake – Hiked 8/22/2024

#58 Wallowa Lake – Hiked 5/23/2019
B.C. Falls
#59 Ice Lake – Hiked 7/31/2016

#60 Horseshoe Lake – Hiked 8/3/2016 & 8/04/2016

#61 Hurricane Creek – Hiked 7/22/2024

#62 Eagle Cap – Hiked 8/3/2016

#63 Minam Lake – Hiked 7/25/2024

#64 Maxwell Lake – Hiked 8/21/2024

#65 Chimney Lake – Hiked 8/20/2024

#66 Wallowa Homeland – Hiked 7/14/2022

#67 Bear Creek – Hiked 7/14/2022

#68 Rock Springs – Hiked 7/11/2022

#69 Moss Springs – Hiked 7/13/2022

#70 Catherine Creek Meadows – Hiked 7/10/2022

#71 Burger Pass – Hiked 7/12/2022

#72 Tombstone Lake – Hiked 8/16/2023 & 8/17/2023

#73 Eagle Lake – Hiked 8/13/2023

#74 Bear Lake – Hiked 8/14/2023

#75 Hidden Lake – Hiked 9/9/2024

#76 Summit Point Lookout – Hiked 8/18/2024

#77 Pine Lakes – Hiked 8/19/2024

#78 Fort Rock – Hiked 6/14/2014 & 5/28/2017

#79 Fort Rock Valley – Hiked 5/28/2017

#80 Hager Mountain – Hiked 7/30/2013 & 6/14/2014

#81 Summer Lake – Hiked 7/24/2020

#82 Winter Ridge – Hiked 7/19/2020

#83 OC&E Railroad – Hiked 10/5/2018

#84 Klamath Falls – Hiked 10/20/2018

#85 Modoc Lava Beds – Hiked 10/6/2018

#86 DeGarmo Canyon – Hiked 7/22/2020

#87 Hart Mountain Hot Springs – Hiked 7/21/2020

#88 Petroglyph Lake – Hiked 7/22/2020

#89 Steens Summit – Hiked 8/18/2021

#90 Little Blitzen River – Hiked 8/19/2021

#91 Big Indian Gorge – Hiked 8/17/2021

#92 Threemile Canyon – Hiked 9/3/2023

#93 Pike Creek – Hiked 6/14/2018

#94 Big Sand Gap – Hiked 6/14/2018

#95 Borax Hot Springs – Hiked 6/14/2018

#96 Pueblo Mountains – Hiked 8/20/2021

#97 Leslie Gulch – Hiked 6/11/2018

#98 Coffeepot Crater – Hiked 6/11/2018

#99 Chalk Basin – Hiked 6/13/2018

#100 Three Forks – Hiked 6/12/2018

*The Juniper Hills Preserve is owned by the Nature Conservancy and had been closed to public entry in 2023, so we were unable to hike the trails. We parked and walked to the gates to take photos. If they ever reopen it to the public we will go back.
Completing our featured hike goals provided a sense of relief. While we thoroughly enjoyed all of the hikes, and the Wallowa Mountains became our favorite destination in Oregon, we had begun to put pressure on ourselves to finish. That pressure had begun following the September 2020 wildfires that ravaged parts of the Central Cascades and left many trails closed for years. We had just finished the featured hikes in that area earlier that year and realized how close we’d come to having to put our goal on hold. In the grand scheme of things reaching 500 featured hikes is irrelevant but having worked on it for several years it was something we didn’t want to abandon. We will gig deeper into that in a later post covering finishing the 500, but it’s nice to have the urgency to get to specific places removed.
Setting the goal did provide us with an excuse to visit parts of Oregon that we’d never seen before. While we were checking off the 100 featured hikes we stopped at over three dozen additional spots including eight previously featured hikes. There are still numerous trails left for us to explore so we will almost certainly be heading back to Eastern Oregon from time to time to see new sights and possibly revisit some familiar ones. Happy Trails!
We parked in a pullout just before this section.
The Boulder Creek Wilderness (
FR 104
Rabbit on FR 100
Lots of fawn lilies along the road and trails.
Red flowering currant
Is this an apple tree? Whatever it is it seemed very out of place.
FR 105 on the left and FR 100 on the right.



A cairn on the left.
Damp trillium
Downed trees across the trail near Illahee Spring.
Gooseberry

The tread was a little faint but otherwise in good shape.
Lots of cool rock outcrops along the trail.
Fawn lilies
Typical trail condition.
Ragwort and blue-eyed Mary covered hillside.
Blue-eyed Mary
Ragwort
Rocky hillside below the lookouts.
Larkspur
1925 Cupola style lookout.
1956 L-4 tower lookout

Paintbrush
Illahee Rock
A sliver of hope for blue sky at some point.


Back at the trailhead.
On FR 100
Wallflower
The Boulder Creek Wilderness

Meadow along the trail.
Trillum
Becoming sunny in action. From this viewpoint Diamond Peak, Mt. Thielsen, and Mt. Bailey are visible sans clouds.
A carpet of blue-eyed Mary at the viewpoint.
Illahee Rock was visible from the viewpoint despite the clouds.
The lookout tower on Illahee Rock.
Indian plum
Hellbore starting to sprout in a meadow.
Waterleaf
Nearing the junction.

Woodpecker
Gray jay
The second junction where we turned left.



Mushroom near the shelter.


No fish but it was easy to see them when they were present.
This big rock added to the scenery.
We couldn’t decide if that was an old bridge or dock in the water.
Passing behind the big rock.
The rock turned out to be split.
There was a lot of water in the section between the two lakes. Fortunately there didn’t seem to be any mosquitos which was really surprising but in a good way.
This looked like it could be a trail.
How were there not any mosquitos in here.
A local wondering what we were up to.

The outlet creek.
Yellow-rumped warbler
Red-breasted sapsucker
Stellar’s jay




This cracked us up, someone just nailed the planks into the tree that broke the bridge.
A small sign at the junction.



Another meadow along the 1.1 mile section.
The 2017 fire hit this section pretty hard.


The larger lake.
The smaller lake.
Illahee Rock from the viewpoint.
The lower flanks of Howlock Mountain, Mt. Thielsen (

Bee on an anemone.
Glacier lily
Moth and a violet.
Mt. Thielsen and Mt. Bailey
Black Rock on the right.
Highrock Mountain
Howlock Mountain
Cowhorn Mountain (
































































































































































This photo is from CA but it actually shows the namesake Red Buttes



Closest thing to a “wilderness sign” we saw for this one.
























































































































Ponderosa Pines in the Boulder Creek Wilderness
Boulder Creek Wilderness
Boulder Creek
Gearhart Mountain
Meadow below Gearhart Mountain
Looking up at Gearhart Mountain
Hiker symbol = Trails/trailheads, yellow houses = campsites, purple binoculars = roadside waterfalls
Netarts Spit
Spencer Butte
Shotgun Creek
Horse Rock Ridge
Miller Woods
Trappist Abbey
Bush Pasture Park
Basket Slough Wildlife Refuge
North Fork Willamette River
Little Luckiamute River
Valley of the Giants
Indigo Springs
Rigdon Meadows
Pigeon Butte
East Fork South Fork McKenzie River
Sullivan Creek Falls*
Spirit Falls
Pinard Falls
Moon Falls
Echo Basin
Fish Lake
Green Ridge*
Monte Carlo Trail
Hunchback Mountain
Meadow below the Three Pyramids
Daly Lake
Winter Ridge
Fence Pass
Flook Lake
Hart Mountain Antelope Refuge
Petroglyphs along Petroglyph Lake
DeGarmo Canyon
The Palisades in the Gearhart Mountain Wilderness (This was probably our favorite area of the year amid these rock formations.)
Sleeping Beauty
Highline Trail
Cottonwood Creek Falls (This was probably the sketchiest hike we’ve done.)
Mt. Thielsen* (The Thielsen Creek fire burned a small part of the trails in the area.)
Bohemia Post Office
Diamond View Lake
Diamond Peak (The sketchiest hike we didn’t do.)
Karen Lake
Middle Erma Bell Lake
Diamond Lake
Rattlesnake Mountain
Spruce Run Creek Trail
Indian Heaven Wilderness
Wildcat Canyon
National Creek Falls
Takelma Gorge
Hershberger Mountain
Rabbit Ears
Natural Bridge
Abbott Butte Lookout
Forest Park
Upper Latourell Falls
Larch Mountain
McKenzie River
Yachats
Swordfern Trail
East Fork Trail
Riggs Lake Trail
Hackleman Old Growth Loop
Howlock Mountain Trail
Shale Ridge Trail
Acker Divide Trail
Union Creek Trail
Castilleja levisecta – Golden Paintbrush at Basket Slough Wildlife Refuge (
Musk Thistle at Winter Ridge (Unfortunately it’s an invasive but they were impressive.)
Pandora moth caterpillar at Green Ridge (
Horned Lark at Flook Lake (
Gulls and American avocets at Lake Abert
Black necked stilt at Summer Lake
Possibly a coastal tailed frog at Wiley Camp in the Rogue-Umpqua Divide Wilderness (
Buck Canyon Trail
View from the Buck Canyon Trail
Hummingbird Meadows Trail









Bradley Trail passing below some cliffs.
A lot of the poison oak was turning color which made it easier to spot.
Entering the 2017 fire scar.
Lizard
Bradley Trail arriving at Pine Bench.
Rock formation visible from the Bradley Trail.


Common wood nymph
Illahee Rock Lookout

Spur trail to the left.
Just over half a mile from the campsite we passed the very faint Perry Butte Trail.
Trail maintenance and ripe blackberries.
Looking up the Boulder Creek Valley
Looking down at the trail across a side drainage.
Looking across the Boulder Creek valley.
Small fall on Boulder Creek
Final drop down to Boulder Creek.
Boulder Creek
The continuation of the Boulder Creek Trail on the far side of Boulder Creek which reportedly becomes even fainter and more wild.








Fern tree along the Boulder Creek Trail.
This log was the trail.
Another switchback with poison oak on all sides of the trail.











