description Thor's Well Overview
Thor’s Well is a dramatic blowhole located along the Oregon coast at Cape Perpetua. This geological formation showcases the power of waves eroding basalt rock into a sinkhole. The well dramatically fills and empties with each surge of ocean water, offering a visible demonstration of coastal erosion processes. It's particularly interesting for visitors studying geology or those seeking to observe natural forces shaping the shoreline.
insights Why this score
Thor's Well ranks #3 of 58 in the Blowhole ranking, behind Kiama Blowhole, ahead of Mapu'a 'a Vaea Blowhole.
help Thor's Well FAQ
Where exactly is Thor's Well located?
Thor's Well is located along the Oregon coast within the Cape Perpetua Scenic Area. It sits just offshore near the Cape Perpetua Visitor Center and is accessible via nearby walking trails.
What causes Thor's Well to fill and empty?
It is a natural sinkhole in the basalt rock formed by relentless wave erosion. As ocean waves crash against the coast, the water forces its way into the hole and dramatically shoots upward before draining back into the ocean.
When is the best time to visit Thor's Well to see it active?
The blowhole is most dramatic during high tide or winter storms, roughly an hour before high tide to an hour after. Visitors should exercise extreme caution during these times, as sneaker waves can easily sweep onlookers into the sea.
Is there an entrance fee to see Thor's Well?
There is no fee to view Thor's Well itself, as it is located on public land within the Cape Perpetua area. However, a day-use fee or recreation pass may be required to park at the nearby visitor center or roadside pullouts.
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