Road Construction

Preparing for the Next 100 Years
As Grand Teton National Park approaches its centennial in 2029, parkwide construction projects are improving roads, trails, and visitor facilities to support continued access and stewardship for generations to come.

 

 

Colter Bay

• Colter Bay is open.
• For easiest access, enter through the Moran Entrance Station.
• Lakeshore Trail, Hermitage Point Trail, and Heron Pond Trail are great hikes with rewarding views.
• Colter Bay is the perfect hub for park exploration and lakeside recreation.
• Colter Bay Village has a visitor center, ranger programs, restaurants, watercraft rentals and more!

 

Highway 26/89/191

• Also called the Outer Park Road, the highway will be open.
• One of the most scenic drives in Wyoming, the Outer Park Road offers many overlooks and photo opportunities.
• Find park rangers and volunteers along the way!
• Follow posted speed limits and be alert for wildlife at all times of day and night.

 

Moose-Wilson Road

• Construction will occur in 2026 and 2027 on Moose-Wilson Road and Death Canyon Road.
• Construction will also occur on the Teton Park Road near the Moose Entrance to create a roundabout connecting Moose-Wilson Road, Teton Park Road, and Menors Ferry Road.
• Between May 1 and June 20, Laurance S. Rockefeller Preserve will be accessible only from the Granite Entrance Station.
• From June 20 to September 7, the Moose-Wilson Road will be open both directions between Moose and the Granite Entrance Station with up-to 45 minute delays.
• Between September 8 and November 15, Laurance S. Rockefeller Preserve will be accessible only from the Granite Entrance Station.
• Expect an alternate route through the town of Jackson during active closures.
• Detours will be posted when closures are in effect.
• All closures and delays apply to vehicles and cyclists.

Death Canyon Road and Trailhead

• The Death Canyon Road and Trailhead will be closed for construction between May 2026 and June 2027.
• Death Canyon Road will be closed to all traffic, including vehicles, bicycles, and pedestrians.
• Hikers and backpackers should find alternate trailheads that start at Laurance S. Rockefeller Preserve, Granite Canyon, or Teton Village.

Sawmill Ponds to Laurance S. Rockefeller Preserve

• Expect closures on Moose-Wilson Road between the Laurance S. Rockefeller Preserve and Sawmill Ponds Overlook from early September through mid-November 2026.
• Access Laurance S. Rockefeller Preserve from the Granite Entrance Station.
• Murie Ranch will be accessible.

 

Moose Entrance - Teton Park Road Roundabout

• Construction will include a new roundabout at Teton Park Road and Menors Ferry Road.
• Expect delays up to 20 minutes in both directions near the Moose Entrance Station.
• The multi-use pathway will be open to pedestrians and cyclists throughout construction.
• Menors Ferry Road will be open only on weekends.
• A full closure of Teton Park Road for up to two weeks may occur during construction. During this time, detours will be in place and locations on the Teton Park Road north of Moose will be accessible via the Moran Entrance.

 

Anticipated Travel Impacts and Locations
*Timelines subject to change.

	1 Moose to Death Canyon Junction	2 Death Canyon Junction to LSR Preserve	3 Death Canyon Junction to Trailhead	4 Menor's Ferry Road/Chapel of Transfiguration	5 Teton Park Road near Moose
Nov 15- May 1	Open	Open (Winter Recreation)	Open (Winter Recreation)	Open (Winter Recreation)	Open
May 1 - June 19	Closed	Closed	Closed	Open Saturday-Sunday	20 Minute Delays
				Closed Monday-Friday
June 20 - Sept 7	45 Minute Delays	45 Minute Delays	Closed	Open Saturday-Sunday	20 Minute Delays
				Closed Monday-Friday
Sept 8 - Nov 15	Closed	Closed	Closed	Open Saturday-Sunday	20 Minute Delays
				Closed Monday-Friday
Nov 15 - May 1	Open	Open (Winter Recreation)	Open (Winter Recreation)	Open (Winter Recreation)	Open

 

The numbers on the map correspond to the numbers on the chart above.

 

Taggart Lake is accessible via the longer southern route. This out-and-back hike is about 5 miles with 450 feet elevation gain.

Taggart Lake Trailhead

• Taggart Trailhead parking will be open in 2026.
• The trail will be closed from the trailhead to the Bradley Junction on the north side.
• Taggart Lake will be accessible from the trailhead via the Beaver Creek Trail (the southern, and longer, route to the lake). The out-and-back hike is about 5 miles roundtrip with 450 feet of climbing.
• Cottonwood Picnic Area will be open through late summer 2026 before it closes for construction improvements.
• For your safety and our employees' safety, do not enter the closure.

 

Construction is scheduled for mid-June to mid-November 2026. The area will be open.

Mormon Row

• The park is making landscape and accessibility improvements at Mormon Row, including relocating and enlarging the parking area.
• Mormon Row will be open during construction, although some areas may be closed temporarily.
• Construction equipment will be staged in designated areas near Mormon Row.