How We Rate Trails

TrailRating looks at the things that actually change how a hike feels, then turns them into plain-language expectations.

What we look at

What actually makes a hike hard

The point is not to overcomplicate it. It’s to show the things that genuinely change how a trail feels.

Steepness

How hard you'll be breathing.

Distance

How long you're out there.

Altitude

How much it slows you down.

Terrain

Smooth trail, rocky footing, or hands-on scrambling.

So you can decide before you go

Every trail gets a clear effort score and breakdown, so you know if it’s a relaxed walk, a solid workout, or something that might push you.

This isn’t about scaring people. It’s about having a better sense of what a trail asks of you before you’re on it.

Trail detail preview

Mount Bierstadt - West Slopes Route

Colorado • Route Class 2 • 39.5965, -105.7102
Long duration • Very high altitude exposure • Brutal steep sections
Trail Intensity
77
Challenging
Trail Intensity
77
Challenging
Expected Time
6.5 hrs
Conservative: 7.0-8.0 hrs
Best Fit
Good for hikers with solid fitness
Use this as a fit check, not a dare
TrailRating Take

This is where the trail stops being casual and starts asking real questions. Main drivers: aggressive grades, high altitude, and significant elevation gain.

Reality Check

You do not need to be a mountain goat, but you should not treat this like a scenic stroll.

Terrain Requirement

Sure footing matters more here than the raw mileage might suggest. Also, the air up there is not exactly generous.

Think Twice Think twice if you are not acclimated, you hate steep hiking, or your cardio tends to leave the group quietly and early.
Why This Trail Scored 77
Distance7.2 mi
Elevation Gain2,727 ft
Steepest 1/4 Mile34.0%
Climb Density380.7 ft/mi
Route Factors
Highest Point14,051 ft
Average Grade7.2%
Steepest 1/2 Mile27.1%
Route Class2