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Greenhorn to Imperial Loop

Intermediate/Difficult
 4.4 (27) RECOMMENDED ROUTE

Well designed trails with great scenery through a variety of vegetation.


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Map Key

10.8

Miles

17.4

KM

100%

Singletrack

7,472' 2,277 m

High

5,873' 1,790 m

Low

1,817' 554 m

Up

1,911' 583 m

Down

7%

Avg Grade (4°)

28%

Max Grade (16°)

Dogs Off-leash

E-Bikes Allowed

Features -none-

Overview

A fun intermediate loop with views, flowers, and dusty singletrack.

Description

From the trailhead, keep left on Greenhorn Trail, cross a few bridges, and enjoy smooth easy riding as a few trails branch off to the left. Continue ascending, never very steeply, as the trail crosses through a huge variety of riparian vegetation from sagebrush to aspen trees before climbing through dense pine and fir forest to a high ridge.

At the intersection with Imperial Gulch Trail, proceed uphill for another 1/2 mile to the high point, then ride on downhill for a fun and fast descent. It's a bit dusty and exposed, but rewards riders with outstanding views of the Pioneer Mountains and occasional wildflowers. Contour down across grassy hillsides, popping in and out of small groves of aspen and pine. Attain the saddle, then cruise through a large flowery meadow with sweeping views of Mahoney Butte. After a wooded section that burned in the 2013 fire, the trail ends at a signed T intersection then crosses the Greenhorn Creek and arrives at the parking lot.

Contacts

Shared By:

Nick Wilder with improvements by Alisa Bondurant

Trail Ratings

  4.4 from 27 votes

#1

in Hailey

#473

Overall
  4.4 from 27 votes
5 Star
44%
4 Star
52%
3 Star
4%
2 Star
0%
1 Star
0%
Recommended Route Rankings

#1

in Hailey

#6

in Idaho

#473

Overall
375 Views Last Month
8,849 Since Jul 30, 2014
Intermediate/Difficult

0%
0%
52%
9%
39%
0%

Photos

Halfway down the loooooong descent of Imperial!
Aug 16, 2018 near Hailey, ID
One of the best downhills in the area ... so fast, so beautiful.
Jul 9, 2019 near Hailey, ID
Imperial is a seemingly never-ending, super fast downhill with views the whole way
Oct 10, 2019 near Hailey, ID
Wildflowers on Imperial Trail
Apr 10, 2015 near Hailey, ID
Greenhorn Gulch - Imperial Loop - Sun Valley, Idaho: this video shows it in all it's glory
Jun 9, 2020 near Ketchum, ID
Looking up Imperial Gulch
Jun 6, 2018 near Hailey, ID

Weather


Current Trail Conditions

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All Clear 3 days ago See History
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Check-Ins

Jun 14, 2020
H P Boyle
Anti-clockwise is the easier way up. Views are stunning! 10.6mi — 1h 30m
Jul 2, 2019
Todd D
Jun 23, 2019
Sara Heuston
10.8mi
Jun 23, 2019
Emma McVey
A large group of dispersed eBikes made this a rather unenjoyable ride.... Quite steep!
Oct 1, 2018
KEV MAC
Sep 16, 2018
Eric Persha
So good 10.8mi
Sep 9, 2018
Cameron Leady
Sep 3, 2018
Daniel Green