About Twin Sisters / Colorado Trail
Twin Sisters / Colorado Trail is a hard hiking trail near Ophir in San Juan County, Colorado.. The surface is ground. Managed by US Forest Service. Trail data is sourced from OpenStreetMap.
Photo by Tobias Mrzyk on Unsplash
HardGround
Twin Sisters / Colorado Trail
Ophir, Colorado · San Juan County · US Forest Service · FR 555
Twin Sisters / Colorado Trail is a hard hiking trail near Ophir in San Juan County, Colorado.. The surface is ground. Managed by US Forest Service. Trail data is sourced from OpenStreetMap.
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37.75647, -107.79049
Open in OpenStreetMap5-Day Forecast
Weather at Twin Sisters / Colorado Trail
Live forecast for the trailhead. Use it to pack and time your hike.
Today
Mostly Clear
67°/49°
💧 1%🌬 16mph
↑ 6:17 AM ↓ 8:16 PM
Wed
Mostly Clear
66°/46°
🌬 16mph
↑ 6:18 AM ↓ 8:15 PM
Thu
Overcast
69°/47°
💧 2%🌬 12mph
↑ 6:19 AM ↓ 8:14 PM
Fri
Overcast
72°/43°
💧 1%🌬 13mph
↑ 6:20 AM ↓ 8:13 PM
Sat
Overcast
71°/41°
💧 3%🌬 12mph
↑ 6:21 AM ↓ 8:12 PM
Forecast data © Open-Meteo. Refreshed every 6 hours. Always check the most recent forecast before heading out.
What “Hard” Means
Steep, technical, or long. Requires good fitness and experience.
Difficulty is derived from OpenStreetMap’s Swiss Alpine Club (SAC) hiking scale, trail visibility, surface, distance, and elevation gain. Always verify current conditions before heading out.
What to Pack & Wear
Personalised to this trail’s length, elevation, difficulty, and the live forecast.
👔 What to Wear
- Long-sleeve shirtSynthetic or merino, sun-protective.
- Light shell or windbreakerEven on warm days, wind can chill (avg wind 16 mph).
- Hiking pants or convertibleLayer for variable conditions.
- Trail runners or low bootsComfortable, broken in.
- Layers for swingsDaily temp range is wide (45°F low → 69°F high). Pack layers.
🎒 What to Pack
- WaterBring at least 1L of water; more in heat.
- High-energy snacksA snack for the trail.
- Sun protection (UV 9)SPF 50+ sunscreen, lip balm w/ SPF, sunglasses, sun hat.
- Headlamp + spare batteriesLong days can run late — never rely on phone flashlight alone.
- First-aid kitBlister patches, ibuprofen, tape, antiseptic wipes.
- Offline mapDownload your route in advance via Gaia, Caltopo, or OSM-based apps.
Recommendations adapt to the current forecast + trail stats. Use them as a starting point — local conditions, your experience, and the time of day you start all matter.
Trail Safety in Colorado
Trail conditions in Colorado change with weather, season, and fire activity. Closures, washouts, and rerouting are common. Before heading out:
- Check with the land manager for current conditions and closures
- Tell someone your plan and expected return time
- Know your turn-around limits — conditions can change fast
- Carry the 10 essentials: water, food, navigation, first aid, light, fire, shelter, knife, sun protection, extra clothes
References & Maps
Nearby
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