News Release

Road between Mammoth Hot Springs and Norris Junction in Yellowstone National Park closes temporarily due to a major water main break

NPS Facility employees working to locate a water main break

NPS / Jacob W. Frank

News Release Date: August 14, 2020

Contact: Morgan Warthin, [phone]

• The road between Mammoth Hot Springs and Norris Junction is temporarily CLOSED due to a major water main break in Mammoth Hot Springs. 

• The water main break is located under the road between the Mammoth Hot Springs Terraces and the YCC Camp. This water main provides all potable water to the Mammoth Hot Springs area.  

• Currently, crews are removing asphalt from the road to locate the break.  

• It is unknown how long the temporary road closure will be in place. 

• Visitors must be aware that at this time there is no access between the north and south parts of the park. See the map for details.  

• Visitors must detour outside of the park for access between the North/Northeast and South/West/East entrances.  

• Visitors to Mammoth Hot Springs can still access the Terraces via the North and Northeast entrances only.   

• For up-to-date information visit go.nps.gov/YellRoads, call [phone] for a recorded message, or sign up to receive Yellowstone road alerts on your mobile phone by texting "82190" to 888-777.