• The Valley of Ten Thousand Smokes at Sunset, from the Griggs Visitor Center

    Katmai

    National Park & Preserve Alaska

Facilities

Did You Know?

Did You Know?

Several glaciers near Katmai's Valley of Ten Thousand Smokes are currently advancing because of thick layers of ash, deposited by the 1912 Novarupta eruptions, acting as insulation for the glaciers and preventing melting as quickly while they flow down valley.