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Corvallis Hiking Oregon Willamette Valley

McDonald-Dunn Forest via Sulphur Springs – 10/02/2021

Sometimes the main purpose of a hike isn’t to see a sight but rather to step away from things and find a peaceful place in nature to reflect. My Grandmother turned 97 on 9/30/21, her last birthday after suffering a massive stroke just days earlier. We were able to drive up to her home in Portland on her birthday to visit and while she couldn’t speak she was able to respond and interact with her family that had gathered. We would be returning on Saturday afternoon to visit again when my Brother and his family arrived from Missouri but that morning we felt like getting outside and taking a nice long walk would be good. Since we were heading to Portland later we wanted a hike that was close to home to cut down on driving time so we decided to revisit the McDonald-Dunn Research Forest near Corvallis, OR.

This would be our fourth hike in McDonald Forest having previously hiked to McCulloch Peak (post), Dimple Hill (post) and Peavy Arboretum (post). Each of those three hike had been entirely unique with no steps retracing an earlier path. They had also mostly avoided the center and northwestern portions of the forest. For this hike we planned on visiting those two areas and had originally hoped to connect all three of our previous hikes. We were only able to connect two of the three though due to an active logging operation which closed a portion of the loop we’d planned.

We started our hike at a pullout by the Sulphur Springs Trail along Sulphur Springs Road.
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We visited the springs first by following the Sulphur Springs Trail for a tenth of a mile.
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IMG_5535Sulphur Springs

IMG_5536Soap Creek near Sulphur Springs.

We then returned to Sulphur Springs Road and turned left (west) following it for 0.4 miles through some residences to the Sulphur Springs Road Trailhead.
IMG_5539Sulphur Springs Road from the pullout.

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IMG_5542Sulphur Springs Road Trailhead.

Our plan had been to combine a pair of hikes described in the Oregonhikers.org field guide, the McCulloch Peak Loop Hike and the Sulphur Springs via Alpha Trail Hike by connecting them using the gravel roads in the forest.
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We continued on Sulphur Springs Road (Road 700) past an orange gate to the left of the signboard.
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Approximately 1.5 miles beyond the gate we came to an intersection below a clearcut where pointers in both directions were labeled McCulloch Peak.
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We followed the Oregonhikers guide and went right on Road 760. We followed this road for 0.4 miles to an the unmarked, unofficial Rocky Road Trail.
IMG_5559We stayed right at this junction with Road 761.

IMG_5561The Rocky Road Trail.

The sheer number of roads and trails (both official and unofficial) makes it really easy to get turned around in the forest so having plenty of maps and a plan handy helps. Roads and trails come and go as the forest is used for research purposes by Oregon State University. The Rocky Road Trail is an unofficial trail that follows an old road bed half a mile uphill before rejoining Road 760.
IMG_5564A good sized cedar along the trail.

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IMG_5570Road 760 ahead.

We turned left on Road 760 and followed it for another quarter mile to a junction with Road 700 where we again turned left. Road 700 followed a ridge briefly providing views of the surrounding area then wrapped around a hillside and arriving at a junction with Road 7040 which was the first familiar sight to us.
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IMG_5580Interesting patchwork of trees. We would have liked to have been able to see when each section had been harvested and replanted.

IMG_5583We couldn’t see much to the east due to the Sun’s position.

IMG_5589Mary’s Peak (post)

IMG_5594Road 7040 on the left.

We had returned down Road 7040 as part of our previous hike to McCulloch Peak but now we stuck to Road 700 for another quarter mile to a 4-way junction where we turned right on Raod 790.
IMG_5598Pointer for McCulloch Peak at the junction. We had come up from Road 700 on the right.

IMG_5597The rest of the 4-way junction. After visiting the peak we would head downhill following the pointer for Oak Creek.

We followed Road 790 a half mile to its end at the peak.
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It was just a little hazy to get much of a view from the peak so we headed back by following an unofficial trail down from the summit to a spur road not shown on the maps which connected to Road 790 a tenth of a mile from the summit.
IMG_5606Trail to the spur road.

At the 4-way junction we followed Road 700 downhill for a little over three quarters of a mile to a junction with Road 680.
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IMG_5614Fading pearly everlasting.

IMG_5615We stayed left here which was the shorter route.

IMG_5617Madrone

IMG_5619Tree island at the junction with Road 680.

We had originally planned on taking Road 680 from the junction but a short distance up that road there was an unofficial trail showing on the Oregonhikers Field Guide Map which looked like it would cut some distance off our hike. The trail was obvious and had even been recently brushed.
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This trail began with a short climb then headed downhill reaching a junction with the Uproute and Extendo Trail near Road 680.
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IMG_5629Nearing the trail junction.

IMG_5630Poison oak climbing trees.

IMG_5631Signs for the Uproute and Extendo Trails.

IMG_5633Road 680

We turned right onto Road 680 and followed it a half mile to a signboard at Road 600.
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At this signboard was a notice that a portion of Road 600 was closed so we spent some time reviewing the map to come up with an alternate route.
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We had planned on following Road 600 all the way to the Ridge Trail at Lewisberg Saddle which we had visited on our Peavy Arboretum hike but the closure was going to force us onto the Bombs Away Trail which would hook up with the Ridge Trail half a mile from Lewisberg Saddle. We didn’t feel like adding another mile to our hike so we would only be connecting two of our three previous hikes this time. We followed Road 600 uphill for a mile and a half to yet another 4-way junction.
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IMG_5647A few larger trees in the forest.

IMG_5652A sea of green grass.

IMG_5653Horsetails

IMG_5654The 4-way junction.

We had been to this junction during our hike to Dimple Hill and hadn’t originally planned on making the 0.4 mile side trip to that viewpoint but with the upcoming detour and a couple of shortcuts we’d already taken we decided to revisit the hill. We turned right on Road 650.
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After two tenths of a mile we left the road and followed a pointer for Upper Dan’s Trail.
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IMG_5660Summit of Dimple Hill.

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The view here was a bit better than it had been at McCulloch Peak. We could at least see Mary’s Peak by walking just a bit downhill.
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IMG_5666Mary’s Peak

After a short break we followed Road 650 back to the 4-way junction and turned right back onto Road 600. Three quarters of a mile later we arrived at the closure. Along the way the road passed through a clearcut where we could just make out the tops of Mt. Hood, Mt. Jefferson and the Three Sisters.
IMG_5673Approaching the junction on Road 650.

IMG_5675Junco

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IMG_5684Mt. Hood

IMG_5680Mt. Jefferson

IMG_5687The Three Sisters

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We made a hairpin turn at the closure onto the unsigned High Horse Trail.
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Things got a little confusing at this point. The maps on the signboards (we had taken photos with our phones) showed the Bombs Away Trail as a planned trail for 2020. From the placement on the map it appeared that it split off of the High Horse Trail very close to Road 600 but we wound up climbing a series of switchbacks for half a mile before arriving at an unsigned 4-way junction.
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IMG_5697The High Horse Trail and another trail heading uphill at the 4-way junction.

IMG_5698What we assume is the Bombs Away Trail on the left and the High Horse Trail on the right at the 4-way junction.

We took the first trail on the right since it was headed in the correct direction hoping it was indeed the Bombs Away Trail. What we found was a braided mess of trails coming and going on each side. We relied on our GPS to make sure we stayed headed in the right direction and after a confusing 0.6 miles we arrived at Road 640.
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IMG_5706Left or right? More often than not both ended up in the same spot.

IMG_5709Road 640

The trail continued on the far side of the road. This stretch was more straight forward ending at Road 620 after 0.4 miles.
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On the far side of Road 620 we found the Ridge Trail which we followed for a tenth of a mile to a junction with the Alpha Trail.
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IMG_5721Junction with the Alpha Trail.

We turned left here onto the Alpha Trail.
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After 0.4 mile the Alpha Trail dropped us out onto Road 810 which we followed downhill 0.6 miles to Road 800.
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IMG_5730Looking back at the Alpha Trail from Road 810.

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IMG_5735Road 800 below Road 810.

We turned left on Road 800 for three tenths of mile then turned right onto the Baker Creek Trail.
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IMG_5739Baker Creek Trail ahead on the right.

The Baker Creek Trail followed Baker Creek (heard but not seen) for two tenths of mile before crossing Soap Creek on a 1923 Pony Truss Bridge.
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The Baker Creek Trailhead was just on the other side of the bridge as was Sulphur Springs Road. We turned left and walked 100 yards up the road back to our car.

Our 13.1 mile hike with approx 2800′ of elevation gain.

After a brief stop at home to clean up we headed to Portland to say our last goodbyes to Grandma. She always enjoyed hearing about our hikes and looking at the pictures, and she eagerly anticipated the calendar we made each year with them. She passed the following Monday night and is with the Lord now. We’ll think of her often when we’re out exploring. Happy Trails Grandma!

Flickr: McDonald Forest via Sulphur Springs

Categories
Corvallis Hiking Oregon Trip report Willamette Valley

Peavy Arboretum – McDonald Forest

We are in the middle of an extremely mild winter. Aside from some freezing rain on Christmas Weekend we’ve experienced no other snow or icy conditions. That of course changed when we decided that we would take our February hike on Presidents Day. After making that decision the weather forecast immediately called for a snow event that same weekend with Sunday night expected to be the worst of it. After double checking the forecast Saturday afternoon we moved our hike up by one day and changed destinations to something closer to Salem, the McDonald Forest. The forest has become our go to destination in inclement weather having visited McCulloch (post) Peak in October 2016 and Dimple Hill (post) in December of that same year.

For this visit we chose the trails around the Peavy Arboretum. The arboretum is located at the northwestern end of the forest and can be reached by driving Highway 99W north of Corvallis 5 miles and turning left on Arboretum Road for .8 miles to the Peavy Arboretum entrance sign on the right. There are several potential parking areas to choose from and we stayed to the left at forks for .3 miles to a trailhead sign where the road ahead was gated.
Peavy Arboretum Trailhead

John H. Beuter Road

After picking up a trail map we headed up John H. Beuter Road for .3 miles to the OSU Forestry Club Cabin.
OSU Forestry Club Cabin

We turned left onto the Section 36 Loop Trail at the start of the lawn and crossed a small stream on a footbridge.
Section 36 Loop Trail

Section 36 Loop Trail

We had woken up to a small amount of snow and as we gained a little elevation on the trail, we began to encounter some on the vegetation. It was a strange mix of Winter and Spring as some of plants were starting to blossom.
Spring blossoms with a dusting of snow on the leaves behind

The trail continued to climb through a foggy forest and past benches to more and more snow covered ground.
Section 36 Loop Trail

Section 36 Loop Trail

Snowy hillside

Snow along the Section 36 Loop Trail

Section 36 Loop Trail

Section 36 Loop Trail

Section 36 Loop Trail

Section 36 Loop Trail

We stuck to the Section 36 Loop ignoring side trails for 1.4 miles. Then we came to a T-shaped junction with the Powder House Trail where we turned left.
Powder House Trail

About a quarter mile from the junction the Powder House Trail crossed a series of three gravel roads. We had been planning to turn left on the first road (Road 500) and follow it to the Vineyard Mountain Trail and down to a trailhead at Lewisburg Saddle where we would then take a different series of trails and one of the other roads (Road 580) back up to the Powder House Trail. On the far side of Road 500 was a cougar sighting warning.
Cougar warning along the Powder House Trail

We were so distracted by the sign and our conversation that we forgot to turn onto the road. It wasn’t until we were about to cross the third road and we were looking at the map that it dawned on us that we should have turned left back on the first road.
Powder House Trail

Fortunately we had only passed Road 500 by a tenth of a mile so we backtracked and turned right onto the road.
Road 500

We didn’t see any cougars but we did see a whole bunch of juncos.
Junco invasion

We followed Road 500 for just over a mile and a half to a junction at a saddle.
Road 500

Here the Vineyard Mountain Trail began at a signpost.
Vineyard Mountain Trail

This trail climbed for .4 miles to a point near the some towers at the summit of Vineyard Mountain.
Radio tower on Vineyard Mountain

Vineyard Mountain

The trail then began descending along the southern ridge of Vineyard Mountain.
Vineyard Mountain Trail

Vineyard Mountain Trail

Just under a mile and a half from the summit we arrived at the Lewisburg Saddle Trailhead.

Here we briefly followed William A. Davies Road aka Road 580 before turning left onto the unsigned New Growth Trail.
New Growth Trail

An interpretive sign a little ways down the trail let us know that we were on the right path.
New Growth Trail Sign

The New Growth Trail lost enough elevation that we were soon on a snow free trail. Although snow melting from the tops of the trees made the stretch somewhat wet.
New Growth Trail

New Growth Trail

After a half mile we arrived at a junction. Here the half mile Old Growth Trail lay straight ahead or for a short loop back to the Lewisburg Saddle TH the right fork led back uphill to Road 580.
Old Growth Trail junction with the New Growth Trail

We took the Old Growth Trail which led us back into the snow.
Footbridge along the Old Growth Trail

The Old Growth Trail ended further up along Road 580 where we turned left and continued uphill.
Road 580

And into a decent snow flurry.
Snowing on Road 580

There had been a couple of quick breaks in the clouds earlier in the day but after this snow flurry passed the largest patch of blue sky yet appeared.
View from Road 580

View from Road 580

It just so happened that the section of Road 580 that we were on at the time passed by a clearcut which allowed us a nice view across the valley to peaks on the other side of the McDonald Forest.
View from Road 580

View from Road 580

The road then passed through a brief stand of remaining trees before entering another clearcut where the views had mostly disappeared.
View from Road 580

Approximately 2.5 miles from the end of the Old Growth Trail we arrived back at the Powder House Trail where we turned left.
Powder House Trail

This time we crossed the third road and headed uphill through a clearcut to a bench where we imagined the views would be pretty good on a clearer day.
Powder House Trail

Snow covered bench along the Powder House Trail

View from the snowy bench

The trail then curved back downhill to the Cap House where the Civilian Conservation Corps had once stored blasting caps.
Cap House

Interpretive sign at the Cap House

The trail continued to the right of the Cap House and descended a short distance to rejoin the Section 36 Loop Trail. Along the way we encountered several snow queen plants in bloom.
Snowy snow queen

Powder House Trail

We turned left onto the Section 36 Loop.
Powder House Trail junction with the Section 36 Loop Trail

The trail gradually descended as it passed through the forest for almost a mile to Cronemiller Lake.
Section 36 Loop Trail

Signs for the George W. Brown Sports Arena

Cronemiller Lake

Cronemiller Lake

We followed the lake shore all the way around to the right until we reached the signed Calloway Creek Trail.
Calloway Creek Trail

Closed from April to November to bike traffic we followed the Calloway Creek Trail a total of 2.5 miles staying left at most junctions except for the signed trail to Road 547 where we stayed right.
Calloway Creek Trail

Calloway Creek Trail

The trail crossed Calloway Creek twice and passed a small meadow with a bench.
Calloway Creek

Calloway Creek Trail

After the 2.5 miles we turned left onto the Intensive Management Trail.
Calloway Creek Trail junction with the Intesive Management Trail

At the next junction was a signboard map which could have been a little more descriptive.
Trail sign along the Intesive Management Trail

We stuck to this trail following pointers for the Arboretum Parking to a different parking lot a tenth of a mile from where we had started.
Intesive Management Trail

From here we took the .1 mile Firefighters Memorial Trail past a nice shelter and back to our car.
Firefighter Memorial Trail

Shelter along the Firefighter Memorial Trail

The hike turned out to be an approximately 14 mile loop with around 2000′ of elevation gain. A little more than we had planned for the day but a nice hike none the less. Alternating between being above and below the snow line added to the variety of the hike. It had turned out to be a good choice and another fun hike in the McDonald Forest. Happy Trails!

Flickr: Peavy Arboretum