Last updated: July 17, 2022
Thing to Do
Big Sink Trail
The Big Sink Trail is a hiking trail located in the picnic area of the Birthplace Unit of the park on the east side of Highway U.S. 31E. The trail has three loops of various lengths with Loop B being accessible. The trailhead is located in the picnic area where parking is available. Please use caution when hiking the trail as it crosses Keith Road at two separate locations. Watch for oncoming traffic when crossing Keith Road.
Trailhead Location: Picnic Area of the Birthplace Unit
Duration: 1 - 1 1/2 hours
Difficulty: Easy
Length: 1.36 mile (2.19 km)
Trail Type: Loop
Loop A is a hiking trail that is part of the 1.36 mile long Big Sink Trail located in the picnic area of the Birthplace Unit on the eastside of U.S. Highway 31E. This trail is composed of crushed dense grade gravel with a typical width of five feet and a maximum trail grade of 7%.
Trailhead Location: Picnic Area of the Birthplace Unit
Duration: 30 - 45 minutes
Difficulty: Easy
Length: .42 mile (.67 km)
Trail Type: Loop
Loop B is an accessible hiking trail that is part of the 1.36 mile long Big Sink Trail located in the picnic area of the Birthplace Unit on the eastside of U.S. Highway 31E. This accessible trail is composed of compacted lime chips with a typical width of five feet and a maximum trail grade of 5%.
Trailhead Location: Picnic Area of the Birthplace Unit
Duration: 30 - 45 minutes
Difficulty: Accessible - Easy
Length: .36 miles (.58 km)
Trail Type: Loop
Loop C is a hiking trail that is part of the 1.36 mile long Big Sink Trail located in the picnic area of the Birthplace Unit on the eastside of U.S. Highway 31E. This trail is composed of crushed dense grade gravel with a typical width of five feet and a maximum trail grade of 13%.
Trailhead Location: Picnic Area of the Birthplace Unit
Duration: 30 - 45 minutes
Difficulty - Easy
Length: .58 miles (.93 km)
Trail Type: Loop
Trailhead Location: Picnic Area of the Birthplace Unit
Duration: 1 - 1 1/2 hours
Difficulty: Easy
Length: 1.36 mile (2.19 km)
Trail Type: Loop
Loop A is a hiking trail that is part of the 1.36 mile long Big Sink Trail located in the picnic area of the Birthplace Unit on the eastside of U.S. Highway 31E. This trail is composed of crushed dense grade gravel with a typical width of five feet and a maximum trail grade of 7%.
Trailhead Location: Picnic Area of the Birthplace Unit
Duration: 30 - 45 minutes
Difficulty: Easy
Length: .42 mile (.67 km)
Trail Type: Loop
Loop B is an accessible hiking trail that is part of the 1.36 mile long Big Sink Trail located in the picnic area of the Birthplace Unit on the eastside of U.S. Highway 31E. This accessible trail is composed of compacted lime chips with a typical width of five feet and a maximum trail grade of 5%.
Trailhead Location: Picnic Area of the Birthplace Unit
Duration: 30 - 45 minutes
Difficulty: Accessible - Easy
Length: .36 miles (.58 km)
Trail Type: Loop
Loop C is a hiking trail that is part of the 1.36 mile long Big Sink Trail located in the picnic area of the Birthplace Unit on the eastside of U.S. Highway 31E. This trail is composed of crushed dense grade gravel with a typical width of five feet and a maximum trail grade of 13%.
Trailhead Location: Picnic Area of the Birthplace Unit
Duration: 30 - 45 minutes
Difficulty - Easy
Length: .58 miles (.93 km)
Trail Type: Loop
Details
Duration
1-2 Hours
Activity
Hiking
Pets Allowed
Yes
Activity Fee
No
Entrance fees may apply, see Fees & Passes information.
Location
Big Sink Trail
Reservations
No
Accessibility Information
All three loops are accessbile.
Loop A trail is composed of crushed dense grade gravel with a typical width of five feet and a maximum trail grade of 7%.
Loop B trail is composed of compacted lime chips with a typical width of five feet and a maximum trail grade of 5%
Look C trail is composed of crushed dense grade gravel with a typical width of five feet and a maximum trail grade of 13%.
Loop A trail is composed of crushed dense grade gravel with a typical width of five feet and a maximum trail grade of 7%.
Loop B trail is composed of compacted lime chips with a typical width of five feet and a maximum trail grade of 5%
Look C trail is composed of crushed dense grade gravel with a typical width of five feet and a maximum trail grade of 13%.