About Flattop Mountain Trail
Flattop Mountain Trail is a easy hiking trail near Allenspark in Larimer County, Colorado.. The surface is ground. Managed by National Park Service - Rocky Mountain National Park. Trail data is sourced from OpenStreetMap.
⚠ Note from contributors: Trail has been aligned to the Strava Global Heatmap, a highly accurate average of the GPX tracks of the large number of Strava users who have hiked/ran this trail. Do not modify geometry based on imagery or individual GPX tracks.
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
- 👕
Long-sleeve shirt
Synthetic or merino, sun-protective.
- 🧥
Light shell or windbreaker
Even on warm days, wind can chill (avg wind 18 mph).
- 👖
Hiking pants or convertible
Layer for variable conditions.
- 🥾
Trail runners or low boots
Comfortable, broken in.
- 🌡
Layers for swings
Daily temp range is wide (46°F low → 69°F high). Pack layers.
🎒 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 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
Frequently Asked Questions
How hard is Flattop Mountain Trail?
Flattop Mountain Trail is rated Easy. Suitable for most hikers including families.
Are dogs allowed on Flattop Mountain Trail?
No — dogs are not permitted on this trail per OpenStreetMap data.
Can I ride a bike on Flattop Mountain Trail?
No — this trail is closed to bicycles.
Are horses allowed on Flattop Mountain Trail?
Yes — horseback riding is permitted.
What is the trail surface on Flattop Mountain Trail?
The surface is ground. Natural surface — sturdy footwear recommended; can be muddy after rain.
When is the best time to hike Flattop Mountain Trail?
Colorado 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.
Who manages Flattop Mountain Trail?
Flattop Mountain Trail is managed by National Park Service - Rocky Mountain National Park. Check the operator’s website for current permits, fees, and restrictions.
References & Maps
