Cave
Ape Cave
Cougar, Washington
A 2-mile lava tube you can walk through underground.
- Price
- Parking pass and lantern hire
- Time to allow
- 2 hours
One of the longest lava tubes in North America, with a lower cave that's an easy walk and an upper cave that needs scrambling. It sits near Mount St Helens in dark, cool volcanic rock. A torch and warm layer are essential.
Good to know
- Bring two light sources and a warm jacket
- Buy your parking pass online if possible
- Best time
- Any time of day
- Open
- Roughly May to October
- Getting there
- Sealed then short gravel road
- Vehicles
- Fine in any car
- Dogs
- No dogs
Facilities
- Toilets
The location is approximate. Check the official website before you go.
Data: Roadtrip. Things change: check opening times, prices and rules before you go.
Know what the drive costs
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Rated 4.7 by drivers · 700,000 downloads
