Hall Ranch
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Lo c at i o n
1 mile west of Lyons on Highway 7
Multi-use Trail
Restrooms
(pedestrian, equestrian, bikes)
Pedestrian Only Trail
Trailhead Parking
Pedestrian & Equestrian Only Trail
Picnic Shelter
Paved Road
Historic Site
Unpaved Road
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@BoulderCountyOS
Recreation Area
Critical Wildlife Habitat
No Public Access
Seasonal Wildlife Closure
No Public Access December 15 Thru July 15
Active Agriculture
No Public Access
P r o f i l e s
Bitterbrush/Nighthawk
Intersection
6200
6000
5800
Bitterbrush
Bitterbr
sh Trail
5400
0
0.5
1.0
1.5
2.0
2.5
D I S TA N C E ( M I L E S )
3.7 miles – 898 feet elevation gain
3.0
3.5
6800
6800
6600
6400
6200
6000
5800
Nighthawk Trail
5600
5400
Nighthawk Trail
0
0.5
1.0
1.5
2.0
2.5
3.0
D I S TA N C E ( M I L E S )
4.7 miles – 1,282 feet elevation gain
Bitterbrush Trailhead
Bitterbrush - Nighthawk
intersection
Bitterbrush - Access Trail
(to Nighthawk) intersection
Bitterbrush - Antelope
intersection
3.5
4.0
4.5
Bitterbrush Trail
6600
6400
Antelope Dr.
6200
6000
5800
Nelson Loop
5600
5400
0
0.5
1.0
1.5
2.0
6200
6000
5800
5600
5400
Antelope
Trail
0
0.5
1.0
D I S TA N C E ( M I L E S )
D I S TA N C E ( M I L E S )
2.2 miles – 299 feet elevation
gain (clockwise)
1 mile – 458 feet
elevation gain
ELEVATION FEET
6400
5600
6800
Nelson Loop
Loop Start
Nighthawk Trail
Access
ELEVATION FEET
Antelope Trail
Intersection
ELEVATION FEET
E L E V AT I O N  F E E T 
Bitterbrush/Nighthawk
Intersection
Nighthawk Trail Access
Loop Start
Button Rock
Trail
Access to
Bitterbrush Trail
Trailhead
E L E V AT I O N  F E E T 
T r a i l
6600
6400
6200
6000
5800
Buttonrock
B
ttonrock Trail
5600
5400
0
0.5
1.0
1.5
D I S TA N C E ( M I L E S )
2.0 miles – 220 feet
elevation gain
2.0