Park-Wide Construction

Road Construction

Road projects are listed with related impacts and plans on the road construction page. Plan ahead and expect delays.

 

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. Note that roadway projects are listed with related impacts and plans on the road construction page.

Curious about where these projects are taking place and how they might impact your visit? Take a look at our map of construction sites.

Project timelines and impacts are subject to change. Consult the information below to help plan your trip. Construction information updated November 4, 2026.

 

 

Current Construction Areas

Anticipated disruptions for November 2026 are listed below. For road information and updates check the road status page and alerts and conditions page.

Trails and Historic Sites

• Cottonwood Creek Picnic Area - Closed. Construction ongoing.
• Mormon Row Historic District - Open, with some access to buildings closed. Construction ongoing.

Changes to Timelines and Impacts

Project timelines and impacts are subject to change. Note that access to minor areas including turnouts, viewpoints, and other parking areas may be reduced to facilitate major construction projects nearby. Stop by a visitor center on the day of your visit for more information.

 

Current Project Information

 

Illustration of new visitor facilities and access points at Mormon Row Historic District. Construction is expected to impact the soundscape and viewshed of this area.

NPS

Mormon Row Historic District

Mormon Row Historic District is home to one of the most photographed buildings in the nation, the TA Moulton Barn. Construction has started to facilitate a better visitor experience in this area while pretecting nearby wildlife and vegetation.

Project Details: Mormon Row Historic District access will be improved with the development of a paved parking lot with designated tour bus parking, restrooms, and shade structures. The area near historic buildings will be improved with designated trails and viewing locations to protect natural and cultural resources that are prone to damage in the area. In 2027, a new Grand Teton Association facility will complete the project.

Timeframe: June 2026 - 2027

Type of Impact: Access to some buildings may be temporarily closed for construction.

Notes: Visitors will likely hear and see construction equipment in the vicinity of the historic district impacting the viewshed and soundscape of the area.

 

View from construction area near Mormon Row Historic District.

NPS Photo

Project Update

Construction continues in the area of Mormon Row Historic District, with the installation of sidewalks, picnic tables, and fencing.

Access remains limited to some historic buildings due to ongoing construction of pedestrian bridges, pathways, and viewing areas. These improvements will enhance the visitor experience while helping protect historic and natural resources.

As of 11/4/26

 

New Visitor Facilities at Mormon Row Historic District

 

Rendering of new seating and viewing areas at Mormon Row

NPS

Rendering of new parking area, pathways, and restrooms at Mormon Row

NPS

Rendering of new pathways with interpretive signage at Mormon Row

NPS

Rendering of new parking area at Mormon Row

NPS

 

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Temporary offices at Taggart Lake Trailhead construction site.

NPS

Taggart Lake Trail & Trailhead

Taggart trailhead and trails will be closed to all use, including hiking and horseback riding, for Summer 2027.

Grand Teton National Park and the Grand Teton National Park Foundation are working together to renew the Taggart Lake Area.

Taggart Lake Trail, Trailhead, and adjacent areas are undergoing work to improve the visitor experience while safeguarding delicate natural resources at this popular destination.

Taggart Lake Trailhead and trail will be open in the winter months to allow for over-snow recreation. Starting May 1, 2027 the trailhead and trails will be closed to all use, including hiking and horseback riding.

Trail work is taking place in 2027. Taggart Lake will only be accessible from the Valley Trail to the north. Visitors are encouraged to enjoy hikes at Colter Bay, which have ample parking and offer lake views.

 

Illustration of new Taggart Lake Trailhead

NPS

Project Details: Taggart Lake Trailhead will be redeveloped to accommodate 140 vehicles, including designated spots for horse trailers and campers. Additional features will include a new hiker staging area, restrooms, and water bottle filling station.

Timeframe: May 2026 - November 2027

Type of Impact: Partial Closure in 2026; full closure in 2027

Notes: Taggart Lake will be accessible via over-snow recreation during the winter months. From May 1, 2027 hikers will need to use alternative trailheads.

For your safety, do not enter closed areas or use trails that are under construction.

 

Fencing removed near the new Taggart Lake Trailhead site in preparation for the winter season. Construction will resume May 1, 2027.

NPS Photo

Project Update

Construction on the Taggart Lake trail system and the new Taggart Lake Trailhead has been paused for the winter season. Fencing has been removed near the project area.

Use of Taggart Lake trails for hiking and over-snow recreation is allowed until construction resumes on May 1, 2027.

As of 11/4/26

 

New Taggart Lake Trailhead

 

Rendering of visitor walkway at the new Taggart Lake Trailhead

NPS

Rendering of new parking and turnaround area at Taggart Lake Trailhead

NPS

Rendering of new restrooms and trash facilities at Taggart Lake Trailhead.

NPS

Rendering of new arrival plaza at Taggart Lake Trailhead

NPS

Rendering of new trailhead signage and wayfinding information at Taggart Lake Trailhead.

NPS

Rendering of new benches at Taggart Lake Trailhead

NPS

 

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Illustration of new Cottonwood Creek Picnic Area

NPS

Cottonwood Creek Picnic Area

Project Details: Cottonwood Creek Picnic Area will be updated to better accommodate large vehicles and additional features including picnic tables and stream access will be added.

Timeframe: August 2026 - June 2027

Type of Impact: Closure

 

Installation of concrete for new sidewalks at Cottonwood Creek Picnic Area

NPS/S. Morgan

Project Update

Construction continues on a new picnic area at Cottonwood Creek, with concrete poured for new sidewalks in early November.

11/4/26

 

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Completed Summer 2026 Projects

 

Completed Sagebrush Connector

NPS

Sagebrush Connector

Grand Teton Pathway is a part of an extensive pathway system that connects various communities in Teton County to destinations within the park like Jenny Lake and Moose Landing. The Sagebrush Connector will be an addition to the pathway system, just west of the Gros Ventre Roundabout.

Project Details: A new paved path will be installed alongside Sagebrush Drive to facilitate safe transit of bikers and walkers to the Grand Teton Pathway, and the broader pathway system of Teton County.

Timeframe: COMPLETE

 

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Plan Around Construction

Visit the Trip Ideas page for suggestions on how to make the most of your time at Grand Teton National Park in 2027!

Colter Bay

• Colter Bay will be 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!

 

Additional Information

 

Road Construction

Plan ahead and expect road closures and delays throughout the park.

Current Conditions and Park Alerts

Know what to expect in the park today.

Planning

The park is always planning for the future, and we need your input.

Visitor Use & Experience

Preserving the visitor experience.

Foundational Park Plans

The park, over its nearly 100 year history, has developed plans to guide overall management and design of specific areas.