Valley of Ten Thousand Smokes
Novarupta’s deposits, welded tuff, river-cut canyons, and distant volcanic walls remain stark even after the original fumaroles faded.
Artwork inspired by Ted Lambert
A 1912 eruption buried a valley beneath ash and rewrote volcanology. Novarupta’s deposits, welded tuff, river-cut canyons, and distant volcanic walls remain stark even after the original fumaroles faded. The landscape explains why Katmai became a protected scientific place before it became famous for bears.
Use the park’s guided road excursion for the first visit, then descend only if conditions, time, and the trip leader allow. The valley lies far from Brooks Camp on a rough seasonal road; ash slopes, wind, river crossings, and volcanic terrain punish casual wandering. Rather than treating the stop as a backdrop, use Novarupta ash to understand why Knife Creek belongs here.
- Eruption
- 1912
- Ash depth
- Up to 700 feet
- Park
- Katmai
Quick guide
- Start with
- Use the park’s guided road excursion for the first visit, then descend only if conditions, time, and the trip leader allow.
- Look closely at
- Use Novarupta ash as evidence, then test what it reveals about Knife Creek.
Know before you go
- Start with
- Use the park’s guided road excursion for the first visit, then descend only if conditions, time, and the trip leader allow.
- Look closely at
- Use Novarupta ash as evidence, then test what it reveals about Knife Creek.
- Connect the story
- Novarupta’s deposits, welded tuff, river-cut canyons, and volcanic walls remain stark after the fumaroles faded. The landscape explains why Katmai gained protection before becoming famous for bears.
- Plan around
- Allow 1½ hours–full day. The valley lies far from Brooks Camp on a rough seasonal road; ash slopes, wind, river crossings, and volcanic terrain punish casual wandering.
Good to know
The valley lies far from Brooks Camp on a rough seasonal road; ash slopes, wind, river crossings, and volcanic terrain punish casual wandering.
Notice these
- Novarupta ash
- Knife Creek
- Ukak River canyon