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Photo by Jay Mantri on Unsplash
Easy

OA1

Yellowstone National Park, Montana · Teton County

OA1 is a easy hiking trail near Yellowstone National Park in Teton County, Montana.. Trail data is sourced from OpenStreetMap.

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44.41789, -110.81276
Open in OpenStreetMap
5-Day Forecast

Weather at OA1

Live forecast for the trailhead. Use it to pack and time your hike.

Avg High81°F
Avg Low57°F
Peak Rain Chance12%
Humidity37%
UV (avg)8
Air Quality46 · Good
Today
☁️
Overcast
83°/58°
💧 4%🌬 13mph
6:04 AM8:55 PM
Mon
☁️
Overcast
79°/61°
💧 6%🌬 12mph
6:05 AM8:54 PM
Tue
☀️
Clear
83°/56°
💧 2%🌬 13mph
6:06 AM8:53 PM
Wed
🌦
Light Drizzle
80°/56°
💧 12%🌬 12mph
6:07 AM8:51 PM
Thu
☁️
Overcast
81°/54°
💧 3%🌬 13mph
6:08 AM8:50 PM

Forecast data © Open-Meteo. Refreshed every 6 hours. Always check the most recent forecast before heading out.

About OA1

OA1 is a easy hiking trail near Yellowstone National Park in Teton County, Montana.. Trail data is sourced from OpenStreetMap.

What “Easy” Means

Gentle terrain, well-marked. Suitable for all ages and fitness levels.

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

  • 👕
    Moisture-wicking T-shirt
    Light color, breathable.
  • 🩳
    Lightweight shorts or pants
    Quick-dry preferred — sweat dries fast.
  • 🧢
    Brimmed sun hat
    Better than a cap for back-of-neck protection.
  • 🥾
    Trail runners
    Breathable mesh uppers.

🎒 What to Pack

  • 💧
    Water
    Bring at least 1L of water; more in heat.
  • 🍫
    High-energy snacks
    A snack for the trail.
  • 🧴
    Sun protection (UV 8)
    SPF 50+ sunscreen, lip balm w/ SPF, sunglasses, sun hat.
  • 🩹
    First-aid kit
    Blister patches, ibuprofen, tape, antiseptic wipes.
  • 🗺
    Offline map
    Download 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 Montana

Trail conditions in Montana 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

Frequently Asked Questions

How hard is OA1?

OA1 is rated Easy. Suitable for most hikers including families.

Can I ride a bike on OA1?

No — this trail is closed to bicycles.

When is the best time to hike OA1?

Montana has trail conditions that vary by season. Spring and fall usually offer the best mix of temperature and trail conditions. Check the 5-day forecast above for current outlook. Always verify trail status (closures, washouts, fire restrictions) with the local land manager before going.