Stage 12 of 15 · Colorado Trail

Start → End

Distance

18.5 km

Ascent

+1,960 m

Descent

-353 m

Est. Time

7h 15m

Altitude

2,848–3,176.9 m

Type

point-to-point

🏔️ Mountainous❄️ 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 18.5 km · 1,960m gain

Elevation Profile

Flat (<5%)

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 5.1 (3177m) 2,962–3,177m	5.1 km	+215m / -40m	1h 24m	📈 Climbing
km 5.1 (3177m) → km 15.5 (2848m) 2,848–3,177m	10.3 km	+88m / -417m	2h 25m	📉 Descending
km 15.5 (2848m) → End 2,848–2,954m	3 km	+106m / -0m	47 min	📈 Climbing
Total	18.5 km	+1,960m / -353m	4h 36m

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

4h 47m

Calories

3,819 kcal

Water Needed

5.8 L

Effort Distance

39.9 km

flat-equivalent

🍫 Recommended: ~45g carbs/hr (215g total) 🧂 Electrolytes: ~2394mg sodium/hr

Terrain Analysis

Runnability

Steep / Technical

% of route below 15% gradient

Climb Ratio

106 m/km

Very steep profile

↑ 1,960m ↓ 353m

Surface & Technicality

Terrain Difficulty Breakdown

Runnable Flat (100%)

Surface Type

Ground (79%) Unknown (8%) Unpaved (5%) Gravel (4%) Wood (2%) Asphalt (1%) Dirt (1%) Paved (1%)

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

Surface Breakdown

Natural Ground (78%)

Unknown (8%)

Unpaved Trail (5%)

Gravel (4%)

Wood (2%)

Current Conditions

Loading live weather...

Conditions for June

ℹ️ Shoulder season

Snow Risk

18%

Low

73% north-facing slopes

Mud Risk

30%

Moderate

Ice Risk

Unlikely

🌤️ Occasional snow patches possible above 2700m. 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 18.5 km, 1960m ascent, max altitude 3176.9m, ~7h duration.

Essential 8 items

👟
Trail running shoes / hiking boots

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

Navigation & emergency contact
💧
2L hydration pack

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

Est. 2177 kcal burn
🧴
Sunscreen SPF 50+

UV intensifies above 2000m
🧢
Sun hat / cap

Exposed alpine terrain
🧥
Windbreaker / shell jacket

Summit at 3176.9m — 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

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

Blister plasters, tape, antiseptic
🥢
Trekking poles

0% steep terrain, 1960m+ 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 (18.5 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

Colorado Trail Stage 11: Start → End

Next Stage

Colorado Trail Stage 13: Start → End

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← Back to all 15 stages of Colorado 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