Great Salt Lake, Landsat, 1985 Great Salt Lake, Landsat, 1990 Great Salt Lake, Landsat, 1995 Great Salt Lake, Landsat, 2000 Great Salt Lake, Landsat, 2005 Great Salt Lake, Landsat, 2010 Great Salt Lake, Landsat, 2015 Great Salt Lake, Landsat, 2020 Great Salt Lake, Landsat, 2023
Landsat, 1984–2023 (latest available). NASA Scientific Visualization Studio
Route
Story Stop
Deeper Look
Where the Water Was

The Great Salt Lake is disappearing beneath our feet.

We're running the full 256-mile perimeter of the lake over 5 days to raise awareness while there's still time to act. Along the way, this map stops at the places with real stories to tell, and the organizations already doing the work. Scroll down to follow the route and see what's at stake at each one.

64%
decline in the lake's water volume since its 1980s peak
1,300+ sq mi
of lakebed exposed since 1986, an area bigger than Rhode Island
The 4,200 Project Guidebook, Utah Rivers Council (2024), pp. 7, 14. Read the report · USGS, "Great Salt Lake 1986 and 2022," Utah Water Science Center. Source Take Action Now →
Scroll to begin↓
Explore the Route

Pick a stop, or just keep scrolling

Every pin on the map marks a real place along the route with a real story: what's at risk there, what's being done about it, and how to help. Click one to jump straight there, or keep scrolling and we'll take you through them in order, mile by mile.

The Bigger Picture

Take a deeper look to learn about the lake

These aren't stops on the route, they're context: the watershed, the cities, the farmland, and the industry all tied to the lake's health. Click one to see it highlighted on the map along with the data behind it.