Big Obsidian Flow

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Newberry Rd
La Pine, OR 97739

The Big Obsidian Flow, situated in La Pine, OR, captivates visitors with its striking geological features. This natural wonder, formed by ancient volcanic activity, showcases vast expanses of shimmering obsidian rock, offering a unique glimpse into the Earth's fiery past. As visitors traverse the rugged terrain, they are immersed in a landscape unlike any other, where jagged black rocks contrast against the surrounding greenery, creating a scene of stark beauty.

A visit to the Big Obsidian Flow not only provides a visual feast but also offers a chance to witness the raw power of nature up close. From the intricate patterns of the volcanic glass to the sweeping views of the surrounding wilderness, this site serves as a testament to the forces that have shaped the land over millennia. Whether exploring solo or with companions, visitors are sure to be awestruck by the sheer grandeur and historical significance of this natural marvel in the heart of Oregon.

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Reviews

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5.012 reviews
Photo of Kate T.
Kate T.
8/8/2025

I love this hike. It's short, less than a mile, but challenging because the footing is very rough and it's poorly marked (there are at least two places where the trail seems to dead-end, but if...

Photo of Jennifer J.
Jennifer J.
12/13/2024

This is one of those places where it's pretty much impossible to describe how amazing it is. You just have to go. But I'll do my best! We visited here during a summer trip to Bend. Even though it...

Photo of Taylor S.
Taylor S.
9/9/2025

This was a great stop. Definitely do not do this trail in sandals. The rocks are sharp and some are slippery. Such a unique stop, but I highly recommend stopping if you're in the area and looking...

Photo of Kim R.
Kim R.
6/9/2023

A must see at Newberry. The trail was still mostly snow covered and the rails not up yet, but we were able to find our way part of the way up. Even though we couldn't finish the route it was still...

Photo of Lori H.
Lori H.
6/5/2022

Awesome stop while visiting the Newberry National Volcanic Monument. The obsidian and pumice is quite a sight! The stairs aren't too bad, and the trail beyond can be a little treacherous through...

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