About Boulder Brook Trail
Boulder Brook 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.
Satellite imagery via Esri World Imagery
EasyGround
Boulder Brook Trail
Allenspark, Colorado · Larimer County · National Park Service - Rocky Mountain National Park
Boulder Brook 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.
Advertisement
40.30978, -105.61715
Open in OpenStreetMap5-Day Forecast
Weather at Boulder Brook Trail
Live forecast for the trailhead. Use it to pack and time your hike.
Today
Overcast
42°/29°
🌬 9mph
↑ 6:36 AM ↓ 4:54 PM
Fri
Overcast
41°/32°
💧 1%🌬 13mph
↑ 6:38 AM ↓ 4:53 PM
Sat
Overcast
51°/30°
🌬 9mph
↑ 6:39 AM ↓ 4:52 PM
Sun
Clear
55°/31°
🌬 10mph
↑ 6:40 AM ↓ 4:51 PM
Mon
Overcast
55°/34°
🌬 10mph
↑ 6:41 AM ↓ 4:50 PM
Forecast data © Open-Meteo. Refreshed every 6 hours. Always check the most recent forecast before heading out.
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
- Light insulated jacketFleece or light puffy you can stash if you warm up.
- Hiking pantsQuick-dry softshell or fleece-lined.
- Light gloves + beanieEspecially if you start before sunrise.
- Sturdy hiking bootsWool or synthetic-blend socks.
🎒 What to Pack
- WaterBring at least 1L of water; more in heat.
- High-energy snacksA snack for the trail.
- Sun protectionSunscreen, sunglasses, brimmed hat.
- 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
Other Trails Near Boulder Brook Trail
Closest trailheads, sorted by distance from this one.
Guides & rankings
More on hiking in Colorado
Photo: Sergei AkulichState Rankings
The 10 Longest Hiking Trails in Colorado, Ranked
Colorado's longest mapped hiking trails, ranked by distance with notes on what makes each route worth the commitment.
Photo: Sergei AkulichState Rankings
Colorado's 10 Most Punishing Trails by Elevation Gain
Steep is hard. These are the ten Colorado trails with the most total elevation gain — quad-burners earned by hard climbing.
Photo: Joshua EarleState Rankings
The Best Beginner-Friendly Hikes in Colorado
Ten gentle, well-marked Colorado trails perfect for first-time hikers, families, or recovery days.
Photo: Joshua EarleState Rankings
The 10 Most Challenging Hikes in Colorado
Colorado's ten hardest hikes — expert difficulty, big mileage, or serious exposure. Reserved for experienced hikers.
Photo: Joshua EarleParks & Travel
The Best National Parks & Recreation Areas in Colorado
Federal parks and recreation areas in Colorado ranked by what they actually offer hikers and campers, not just popularity.
Photo: Joshua EarleState Rankings
Best Waterfall Hikes in Colorado: 10 Trails to See Falls Up Close
Colorado's best hikes to named waterfalls — from short family-friendly viewpoints to all-day cascade chasing.