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← Aconcagua Day 3: Trek To Pampa de Leñas
Aconcagua Day 5: Trek to Plaza Argentina Base Camp →

Aconcagua Day 4: Trek to Casa de Piedra

Posted on February 9, 2025August 18, 2025 by Backcountry Fever

The fourth day on the trail was another chill one.  Our guides were really good at helping us conserve energy by always slowing us down.  The pace was so laid-back.

trekking

By the way, this 360° Traverse is waaaay more interesting than the standard route — more on that later.

bridge crossing

Here’s looking back at where we just came from. You can see our last camp off in the distance (circled).

pampa camp view from above

Temperatures were much more pleasant today.

thermodrop reading

The mules seen crossing the river here are helping us get the bulk of our gear to base camp — after that, it’s up to us to carry our own stuff the rest of the way (or hire a porter to do so).

inka mule support

Our next lower camp, Casa de Piedra, comes into view off in the distance.

casa de piedra ahead

Here we get our first glimpse of the Sentinel of Stone from 10,600 feet.  The summit still towers far above — nearly twice our height with yet another 12,000 feet to climb.

first glimpse of aconcagua

Along the banks of Rio de las Vacas, Casa de Piedra is “home” for tonight.

inka camp at casa de piedra

Today’s stats: 10 more miles and another 1,500 feet, but this time with a nice breeze in the 80s.

stats at casa de piedra

Side Quest

Since we arrived here so early, I decided to wander around above camp.  Continuing up to 11,300′, I ran into what a thought was a wild llama.  Turns out this is a guanaco, which is in the llama family but bigger.  It’s also a puma’s primary source of food.

first guanaco sighting

I also found the source of our drinking water.  What blew me away was how none of this water was filtered before we drank it yet no one got sick from it either — and there was plenty of opportunity for this water to be tainted between all the free-roaming mules and wild guanaco’s running around.

I didn’t think I’d go far enough to start my watch or record tracks with my phone, but my Oura ring picked up another mile.

sidequest stats from oura

The rest of the day was spent relaxing since tomorrow, we would cross the Vacas River and head up Relincho Canyon across the way.

view from above casa de piedra

Case de Piedre is the last of lower camps before reaching basecamp.

← Aconcagua Day 3: Trek To Pampa de Leñas
Aconcagua Day 5: Trek to Plaza Argentina Base Camp →

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I had high hopes of doing some hiking during a recent trip to O`ahu.  Unfortunately, a lower leg injury from a Summer Hockey League playoff game last month left me hobbling around just enough to make the trip, but not much else.  

This is what I was hoping to explore while spending 10 days on O`ahu for the first time.  I also knew I wouldn`t get to all of them in one trip — especially with other things we wanted to do — so here they are in order of priority:

- Backway for the Stairway to Heaven (Haiku Stairs)
- Three Peaks (Mt. Olomana)
- Reverse Olomana Trail
- Makapu`u Lighthouse Trail
- Koko Crater Stairs
- Koko Crater Rim Trail
- Diamond Head Crater Trail
- Old Pali Highway
- Mt. Ka`ala (tallest peak on O`ahu)
- Pūpūkea to La`ie
 
Maybe next time...

#hikehawaii #hawaiihiking #oahu #stairwaytoheaven #haikustairs #threepeaks #olomana #kokocrater #rimtrail #oldpalihighway #mtkaala #lowerleginjury #musclestrain #tibialisanterior #hockey

23 4
Open post by backcountryfever with ID 18403849120137976
I had high hopes of doing some hiking during a recent trip to O'ahu.  Unfortunately, a lower leg injury from a Summer Hockey League playoff game last month left me hobbling around just enough to make the trip, but not much else.   

This is what I was hoping to explore while spending 10 days on O'ahu for the first time.  I also knew I wouldn't get to all of them in one trip — especially with other things we wanted to do — so here they are in order of priority:

- Backway for the Stairway to Heaven (Haiku Stairs)
- Three Peaks (Mt. Olomana)
- Reverse Olomana Trail
- Makapu'u Lighthouse Trail
- Koko Crater Stairs
- Koko Crater Rim Trail
- Diamond Head Crater Trail
- Old Pali Highway
- Mt. Ka'ala (tallest peak on O'ahu)
- Pūpūkea to La'ie
 
Maybe next time...

#hikehawaii #hawaiihiking #oahu #stairwaytoheaven #haikustairs #threepeaks #olomana #kokocrater #rimtrail #oldpalihighway #mtkaala #lowerleginjury #musclestrain #tibialisanterior #hockey

Six months ago today, I stood on top of the tallest peak in the Americas — Aconcagua, Argentina — and it has taken me that long to finish a series of posts about my epic adventure!

This day-by-day trip report is packed with photos, route descriptions, and insights from my own experience.  You’ll find everything from what to pack, to what the camps are really like, to why I think the 360° Traverse is the ideal choice.

👉 Lnk in bio!

Whether it’s your first high-altitude climb or you’re adding Aconcagua to your mountaineering resume, the 360° Traverse offers one of the most satisfying ways to stand on the highest point in South America.

#aconcagua #climbaconcagua #aconcagua360 #360traverse #highpoint #highpointing #highestpoint #tallestpeak #andes #andesmountains #argentina #sevensummits #7summits #highaltitude #6961 #trekking #mountaineering #inka #inkaexpediciones #expedition #adventure #adventuretime #adventuretravel #adventures #climbhigh #climbhigher #peakbagging #peakbagger

39 4
Open post by backcountryfever with ID 18058499771589212
Six months ago today, I stood on top of the tallest peak in the Americas — Aconcagua, Argentina — and it has taken me that long to finish a series of posts about my epic adventure!

This day-by-day trip report is packed with photos, route descriptions, and insights from my own experience.  You’ll find everything from what to pack, to what the camps are really like, to why I think the 360° Traverse is the ideal choice.

👉 Lnk in bio!

Whether it’s your first high-altitude climb or you’re adding Aconcagua to your mountaineering resume, the 360° Traverse offers one of the most satisfying ways to stand on the highest point in South America.

#aconcagua #climbaconcagua #aconcagua360 #360traverse #highpoint #highpointing #highestpoint #tallestpeak #andes #andesmountains #argentina #sevensummits #7summits  #highaltitude #6961 #trekking #mountaineering #inka #inkaexpediciones #expedition #adventure #adventuretime #adventuretravel #adventures #climbhigh #climbhigher #peakbagging #peakbagger

My 13th time on this summit, but 1st to enjoy some watermelon at the top 🍉 Thanks to Jocelyn, the "Watermelon Girl", who lugged that all the way up and was gracious enough to share it 😁

#mounttimpanogos #mttimpanogos #mounttimp #timpanogos #timp #11er #goatchallenge #hikethewasatch #summitshot #peakbagger #summervibes #watermelon #watermelongirl #goodvibrations

38 2
Open post by backcountryfever with ID 18494366443068269
My 13th time on this summit, but 1st to enjoy some watermelon at the top 🍉 Thanks to Jocelyn, the "Watermelon Girl", who lugged that all the way up and was gracious enough to share it 😁

#mounttimpanogos #mttimpanogos #mounttimp #timpanogos #timp #11er #goatchallenge #hikethewasatch #summitshot #peakbagger #summervibes #watermelon #watermelongirl #goodvibrations

Summit Shack in Sight!

#mounttimpanogos #mttimpanogos #mttimp #timp #wasatchfront #wasatchmountains #11er #summitshack #mountainlife #hikemore #hikerlife

26 0
Open post by backcountryfever with ID 18350512492156368
Summit Shack in Sight!

#mounttimpanogos #mttimpanogos #mttimp #timp #wasatchfront #wasatchmountains #11er #summitshack #mountainlife #hikemore #hikerlife

Veered right a bit of the South saddle (red line) for a more adventurous route up to Timp... but once we got up on the ridge, we saw we could have done an even more interesting way (yellow line) cutting into that cliff band and zigzagging along the shelves as seen in the 4th picture (taken from South Timp).

#mounttimpanogos #mttimpanogos #mttimp #timp #timpanogos #mountaineering

37 1
Open post by backcountryfever with ID 18083925961775519
Veered right a bit of the South saddle (red line) for a more adventurous route up to Timp... but once we got up on the ridge, we saw we could have done an even more interesting way (yellow line) cutting into that cliff band and zigzagging along the shelves as seen in the 4th picture (taken from South Timp).

#mounttimpanogos #mttimpanogos #mttimp #timp #timpanogos #mountaineering

Only a few patches of snow remain between Aspen Grove and Emerald Lake.

#mounttimpanogos #mttimpanogos #timpanogos #timp #aspengrove #emeraldlake #snowfun #springhiking #wasatchmountains #goatworthy

39 1
Open post by backcountryfever with ID 18330819139163410
Only a few patches of snow remain between Aspen Grove and Emerald Lake.

#mounttimpanogos #mttimpanogos #timpanogos #timp #aspengrove #emeraldlake #snowfun #springhiking #wasatchmountains #goatworthy

For those interested in doing Deseret Peak... the snow is still in the couloirs, but only for a little while longer!

#deseretpeak #twincouloirs #mountaineering

29 1
Open post by backcountryfever with ID 18047137721625663
For those interested in doing Deseret Peak... the snow is still in the couloirs, but only for a little while longer!

#deseretpeak #twincouloirs #mountaineering

The best way to slide down a snowy slope in Spring conditions is like this...

#glissade #glissading #springtimefun #mountaineering #slipperywhenwet #letsgooo

19 1
Open post by backcountryfever with ID 17851034010437154
The best way to slide down a snowy slope in Spring conditions is like this...

#glissade #glissading #springtimefun #mountaineering #slipperywhenwet #letsgooo

Didn`t get much mountaineering in this Spring, so trying to catch the last bit of something before the snow`s all gone.

#mountaineering #snowhike #wolverinecirque #abovebrighton #brighton #springadventures #springhike #westillhavesnow #utahhiking #mtmillicent #mtwolverine #patsymarley #ridgehike

25 0
Open post by backcountryfever with ID 18071868488494094
Didn't get much mountaineering in this Spring, so trying to catch the last bit of something before the snow's all gone.

#mountaineering #snowhike #wolverinecirque #abovebrighton #brighton #springadventures #springhike #westillhavesnow #utahhiking #mtmillicent #mtwolverine #patsymarley #ridgehike
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