Stage 12 of 17 · John Muir Trail

Start → End

Distance

25.5 km

Ascent

+450 m

Descent

-1,121 m

Est. Time

7h 21m

Altitude

2,548.7–3,643.8 m

Type

point-to-point

⛰️ Rolling Hills❄️ Alpine

📍

Start: Start

No nearby transit stop. Consider getting dropped off or using the previous stage's end stop.

📍

End: End

No nearby transit stop at the end. Check the next stage's start stop.

📥 Download GPX 🗺️ Open in Planner 🏔️ 3D Flyover 25.5 km · 450m gain

Elevation Profile

Easy (5–10%) Flat (<5%) Moderate (10–15%)

Route Map

🗺️ Open in Planner → | 🏔️ View 3D Flyover →

Segment Breakdown

Auto-analyzed from the elevation profile. Each segment shows the dominant character for planning your effort.

Segment	Dist	↑ / ↓	Time	Character
Start → km 10.7 (3631m) 3,222–3,631m	10.7 km	+861m / -452m	3h 48m	📈 Climbing
km 10.7 (3631m) → km 16.7 (3184m) 3,184–3,644m	6 km	+285m / -732m	2h 02m	📉 Descending
km 16.7 (3184m) → End 2,549–3,184m	8.8 km	+223m / -858m	2h 33m	📉 Descending
Total	25.5 km	+450m / -1,121m	8h 24m

Pace & Fuel Calculator

Adjust your flat 10K pace to see personalized finish time, calorie burn, and hydration needs.

Your flat 10K pace 7:00 /km

4:00 /km (elite) 12:00 /km (leisure)

Fast Hiker / Jogger

Est. Finish Time

3h 58m

Calories

2,571 kcal

Water Needed

3.7 L

Effort Distance

35.6 km

flat-equivalent

🍫 Recommended: ~45g carbs/hr (179g total) 🧂 Electrolytes: ~1988mg sodium/hr 🩹 Consider anti-chafe and blister prevention

Terrain Analysis

Runnability

Steep / Technical

% of route below 15% gradient

Climb Ratio

18 m/km

Gentle profile

↑ 450m ↓ 1,121m

Surface & Technicality

Terrain Difficulty Breakdown

Runnable Flat (53%) Easy Grade (21%) Moderate Climb (26%)

Surface Type

Unknown (57%) Ground (32%) Wood (7%) Asphalt (2%) Metal (1%)

🏃 Mostly runnable with gentle terrain. Great for fast trail running.

Surface Breakdown

Unknown (58%)

Natural Ground (32%)

Wood (7%)

Paved (2%)

Metal (1%)

Current Conditions

Loading live weather...

Conditions for June

ℹ️ Shoulder season

Snow Risk

15%

Low

Mud Risk

30%

Moderate

Ice Risk

Unlikely

🌤️ Occasional snow patches possible above 3097m. Trail should be mostly clear but carry microspikes just in case.

🥾 Muddy sections likely. Waterproof boots recommended.

Best months: Mar, Apr, May, Jun, Sep, Oct, Nov

Suggested Gear List

Auto-generated based on 25.5 km, 450m ascent, max altitude 3643.8m, ~7h duration.

Essential 8 items

👟
Trail running shoes / hiking boots

Required for any trail
📱
Phone (charged) + offline map

Navigation & emergency contact
💧
3L hydration vest

No water sources on route
🍫
Trail mix, bars & sandwich

Est. 3149 kcal burn
🧴
Sunscreen SPF 50+

UV intensifies above 2000m
🧢
Sun hat / cap

Exposed alpine terrain
🧥
Windbreaker / shell jacket

Summit at 3643.8m — wind chill
🆘
Emergency space blanket

Critical if injured at altitude

Recommended 5 items

🕶️
Sunglasses (cat 3+)

Snow & rock glare at altitude
🧤
Warm mid-layer (fleece)

Temps drop ~6°C per 1000m
🔦
Headlamp

7h route — plan for delays
🩹
Mini first aid kit

Blister plasters, tape, antiseptic
🧊
Microspikes / light crampons

Snow risk in Dec, Jan, Feb

Nice to have 1 items

🦵
Gaiters

Keep snow out of boots

Logistics

This route runs from Start to End (25.5 km by trail). You'll need to arrange transport back to your starting point.

Start — Getting There

Start

No transit stops detected nearby.

Finish — Getting Back

End

No transit stops detected nearby. Check local timetables.

🗺️ Transit directions (Google)

←

Previous Stage

John Muir Trail Stage 11: Muir Trail Ranch → End

Next Stage

John Muir Trail Stage 13: Start → End

→

← Back to all 17 stages of John Muir Trail

Take this route with you

Download the GPX file for your GPS watch or phone. Works with Garmin, Suunto, COROS, Apple Watch, and all GPX-compatible apps.

📥 Download GPX 🗺️ Planner