How to Prepare for High-Altitude Hiking

listen i’ve been the idiot gasping like a fish on day one too many times. Prepare for high-altitude here’s the guide i wish someone had slapped me with before i thought “i run 5ks i’ll be fine at 14,000 ft.”

The Time I Lied and Said I Was Fine

colorado 14er, 2021. woke up at 3am to “get ahead of the storms.” by 12,000 ft my head was pounding so hard i was seeing stars. sat down, told my friends “i’m just tying my shoe,” then quietly puked behind a boulder. lesson learned.

high-altitude hiking from someone who once puked behind a rock at 14,200 ft
high-altitude hiking from someone who once puked behind a rock at 14,200 ft

Step 1: Don’t Be a Hero With Acclimatization prepare

  • sleep at least one night at 8,000-9,000 ft before you go higher
  • two nights is better, three nights and you’re basically superman
  • denver doesn’t count. drive to idaho springs or leadville and chill

Step 2: Hydrate Like It’s Your Full-Time Job

  • start 48 hours before. pee should be clear and boring
  • on trail: 1 liter every 2 hours minimum
  • add electrolytes or you’ll cramp and hate life (nuun tabs, liquid iv, tailwind, whatever)

Step 3: Carbs Are Your prepare New God

  • eat pasta like an italian grandma for three days prior
  • high altitude burns carbs, not fat. sorry keto bros
  • breakfast of choice: bagel + peanut butter + banana + honey. thank me at 13k

Step 4: Meds (Talk to a Doctor First, Obviously)

  • diamox (acetazolamide): start 24hrs before if your doc okays it
  • ibuprofen for the headache from hell
  • zofran if you’re a known puker (me)

Step 5: The Actual Hiking Part

  • slow the hell down. “rest step” is real and you’re not weak for using it
  • pressure breathe (forceful exhale like you’re fogging a window)
  • pole pole (swahili for slowly slowly) works everywhere
  • turn-around time is a suggestion until it’s not
i run 5ks i’ll be fine at 14,000 ft.
i run 5ks i’ll be fine at 14,000 ft.

Red Flags That Say Get Down NOW prepare

  • headache + nausea + dizziness = acute mountain sickness
  • confusion, stumbling, pink frothy spit = go directly to hospital do not pass go
  • if your lips are blue take a selfie for proof then descend

My Current High-Altitude Obsessions prepare

  • sleep in breckenridge or flagstaff before big days
  • garmin watch with pulse ox so i can panic in real time
  • ginger chews for the car-sick feeling
  • telling myself “it’s just a little headache” until i’m crying (don’t do this)

high altitude doesn’t care how fit you are. it’s a humbling little jerk. respect it or become a cautionary tale.

what’s your worst altitude meltdown story? drop it below so i feel less alone while i google “how early is too early to take diamox again.”

now excuse me while i chug water and stare nervously at the forecast for my next 14er. send oxygen and dignity.

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