Oct 5, 2026 · 45 min · 12 segments
In this episode of the OutThere Colorado Podcast, Spencer and Seth chat about whether or not the Great Sand Dunes are shrinking, the first official completion of the 2,000-mile Great Colorado Route, a…
But so basically you're telling me the sand dunes are shrinking?
Interesting, uh, question.
So when I think of shrinking, I think of like this.
Mm-hmm.
Condensing.
Yeah.
Right? That might be exaggerating in this, but they have been lowering.
Hmm.
For people watching, they've been doing this.
Yeah.
So w- we're talking about the tallest of the tallest sand dunes, by the way.
Yes
...
Mm-hmm.
Right? So I connected with the longtime geologist there recently.
Um, and he's been studying this landscape for over 30 years now.
Hmm.
So I just thought, "Wow, what a great brain to pick," you know? So I learned a lot about the sand dunes, but most interesting to me, and what I think may be most interesting to readers, is that, yes, uh, the tallest of North America's tallest sand dunes, as they're known, some of these, have been lowering in recent years.
And this is just the way that the wind has been blowing, essentially-
Hmm
...
they think.
But so basically you're telling me the sand dunes are shrinking?
Interesting, uh, question.
So when I think of shrinking, I think of like this.
Mm-hmm.
Condensing.
Yeah.
Right? That might be exaggerating in this, but they have been lowering.
Hmm.
For people watching, they've been doing this.
Yeah.
So w- we're talking about the tallest of the tallest sand dunes, by the way.
Yes
...
Mm-hmm.
Right? So I connected with the longtime geologist there recently.
Um, and he's been studying this landscape for over 30 years now.
Hmm.
So I just thought, "Wow, what a great brain to pick," you know? So I learned a lot about the sand dunes, but most interesting to me, and what I think may be most interesting to readers, is that, yes, uh, the tallest of North America's tallest sand dunes, as they're known, some of these, have been lowering in recent years.
And this is just the way that the wind has been blowing, essentially-
Hmm
...
they think.
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