The Boring Lava Fields

A couple of years ago I took an Oregon geography class at PCC and was introduce to the Boring Lava fields in Portland. I am a Portland native and had never heard of these and became fascinated with them. The Boring Lava Fields is the name given to all the small mountains that we have sprinkled through the city and along the outskirts of South Eastern Portland to Boring. The lava field is a series of 32-50 (apparently they are still locating all of them) cinder cone and shield cone volcanoes that were formed 2.7 million years ago but have been extinct for about 300,000 years. Some of these extinct volcanoes have been turned into amazing parks while others have been just names as mountains.

Here is a list of some of the more popular ones:

Mt. Tabor

Rocky Butte

Powell Butte

Mt.Scott

Kelly Butte

Larch Mountain

Mt. Sylvania

January 9, 2009 · Filed Under Destination Portland, Parks

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One Response to “The Boring Lava Fields”

  1. Rocky Butte Park | Marisa Swenson on January 29th, 2010 9:17 pm

    [...] Butte is an extinct volcanic cinder cone that is a member of the Boring Lava Fields group of more than 30 extinct volcanoes in Portland, OR. Today, Rocky Butte is home to Joseph [...]

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