Stage 1 of 17 · John Muir Trail

Start → End

Distance
17.5 km
Ascent
+1,497 m
Descent
-77 m
Est. Time
6h 26m
Altitude
1,234.9–2,684.6 m
Type
point-to-point
🏔️ Mountainous❄️ Alpine
🚌

Getting Here

Happy Isles (bus stop)

185m from trailhead · ~2 min walk

📍

End: End

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

Elevation Profile

1,400m1,600m1,800m2,000m2,200m2,400m2,600m2,800m0 km2 km4 km6 km8 km10 km12 km14 km16 km18 km2,685m1,235m
Moderate (10–15%) Easy (5–10%)

Route Map

Segment Breakdown

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

SegmentDist↑ / ↓TimeCharacter
Start → km 4.7 (1765m)
1,235–1,779m
4.7 km+1287m / -757m3h 28m🔺 Steep Climb
km 4.7 (1765m) → km 9.8 (2093m)
1,765–2,093m
5.1 km+604m / -276m2h 09m📈 Climbing
km 9.8 (2093m) → End
2,093–2,685m
7.7 km+771m / -180m2h 55m📈 Climbing
Total17.5 km+1,497m / -77m8h 32m

Pace & Fuel Calculator

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

7:00 /km
4:00 /km (elite) 12:00 /km (leisure)
Fast Hiker / Jogger
Est. Finish Time
3h 58m
Calories
1,783 kcal
Water Needed
2.5 L
Effort Distance
32.9 km
flat-equivalent
🍫 Recommended: ~45g carbs/hr (179g total) 🧂 Electrolytes: ~1988mg sodium/hr

Terrain Analysis

Runnability
0%
Steep / Technical
% of route below 15% gradient
Climb Ratio
86 m/km
Very steep profile
↑ 1,497m ↓ 77m

Surface & Technicality

Terrain Difficulty Breakdown
Easy Grade (62%) Moderate Climb (38%)
Surface Type
Unknown (57%) Ground (32%) Wood (7%) Asphalt (2%) Metal (1%)

🥾 Mixed terrain: expect sustained climbs between runnable sections.

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
5%
Unlikely
Mud Risk
30%
Moderate
Ice Risk
0%
Unlikely

Snow unlikely at this elevation in June. Trail conditions expected to be clear.

🥾 Muddy sections likely. Waterproof boots recommended.

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

Suggested Gear List

Auto-generated based on 17.5 km, 1497m ascent, max altitude 2684.6m, ~6h duration.

Essential 8 items
  • 👟
    Trail running shoes / hiking boots
    Required for any trail
  • 📱
    Phone (charged) + offline map
    Navigation & emergency contact
  • 💧
    3L hydration vest
    Estimated 3.0L needed
  • 🍫
    Trail mix, bars & sandwich
    Est. 2106 kcal burn
  • 🧴
    Sunscreen SPF 50+
    UV intensifies above 2000m
  • 🧢
    Sun hat / cap
    Exposed alpine terrain
  • 🧥
    Windbreaker / shell jacket
    Summit at 2684.6m — wind chill
  • 🆘
    Emergency space blanket
    Critical if injured at altitude
Recommended 6 items
  • 🕶️
    Sunglasses (cat 3+)
    Snow & rock glare at altitude
  • 🧤
    Warm mid-layer (fleece)
    Temps drop ~6°C per 1000m
  • 🔦
    Headlamp
    6h route — plan for delays
  • 🩹
    Mini first aid kit
    Blister plasters, tape, antiseptic
  • 🥢
    Trekking poles
    0% steep terrain, 1497m+ ascent
  • 🧊
    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 (17.5 km by trail). You'll need to arrange transport back to your starting point.

Start — Getting There
Start
🚌 Happy Isles (157m)
🚌 Mirror Lake Trailhead (758m)
🚌 Lower Pines Campgrounds (995m)
Finish — Getting Back
End
No transit stops detected nearby. Check local timetables.

Nearby Points of Interest

🚌 Transit Stops

  • Yosemite Village 3.1 km off trail
  • Yosemite Village Parking 2.6 km off trail
  • Village Store & Welcome Center 2.9 km off trail
  • The Ahwahnee 2.2 km off trail
  • Degnan's Kitchen 2.9 km off trail
  • Yosemite Exploration Center 3.1 km off trail
  • Curry Village Parking (Eastbound) 1.3 km off trail
  • Upper Pines Campground 1.0 km off trail

💧 Water Sources

  • Drinking Water 1.9 km off trail
  • Drinking Water km 0.7 · 1.4 km off trail
  • Drinking Water km 0.7 · 1.3 km off trail
  • Drinking Water km 0.7 · 826m off trail
  • Drinking Water km 0.8 · 500m off trail

Take this route with you

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Route data from OpenStreetMap © contributors, licensed under ODbL. Updated 2026-04-01.