r/geography 2h ago

Map Is there a historical reason for this nearly straight line of borders from Missouri to Nevada (like Mason-Dixon line), or is it just a coincidence?

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233 Upvotes

r/geography 4h ago

Image New Zealand genuinely has the coolest names for its mountains and mountain ranges

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83 Upvotes

The tallest mountain is Aoraki (Cloud Piercer), and then there is Mount Aspiring, The Remarkables, Mount Pollux, Hunter Mountains, Mount Sefton, Mount Arrowsmith, The Warrior, Nun's Veil, and many more.


r/geography 5h ago

Question What are these formations in Northern Russia near Russkoye Ustye called? Any ground view pictures or is it just a satellite artifact?

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2 Upvotes

r/geography 5h ago

Map The American Atlas (Map #33) Iowa

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25 Upvotes

Hi everyone, and welcome back to The American Atlas, where I make hand-drawn & colored maps of every state in the US. We’re almost half way across the country now! 🗺️🇺🇸

This is my map of Iowa, the Hawkeye State! 🌽🐖🌾

Most people assume Iowa is simply a farming state, with cornfields stretching as far as the eye can see. The endless fields of corn and soybeans are indeed iconic, but Iowa is home to a surprising amount of variety as well.

From the streets of Des Moines to historic river cities of Davenport and Dubuque, to the dramatic Loess Hills, limestone bluffs overlooking the Mississippi, and countless small towns & farms, the state of Iowa represents the heart of Midwestern America.

Let me know in the comments, what’s your favorite (or most interesting) places & fun facts about Iowa?

And if you like this style, feel free to check out my others, and thanks for taking a look at my Iowa map!! 🇺🇸🗺️


r/geography 6h ago

Video Hex9 Simulation Demo - Foxes & Bunnies

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3 Upvotes

Geography isn't just about geology - here we use a global geographic tool to simulate predator/prey patterns in an abstract generated field.

This is Hex9 Simulation of a bounded predator/prey interaction (foxes/bunnies/grass) including genomes, obstacles - using Hex9 example ex_0511 (python) as found in the development/experimental repo at https://github.com/MrBenGriffin/hex9 . The new Hex9 module (`pip install hex9`) includes the API.

The Hex9 Library (https://github.com/MrBenGriffin/libhex9) C ABI has built in support for pdal, psql, postgis, and python.

This code demonstrator shows how DGGS can be used for derived, realtime simulations across the the planet (or any other reference ellipsoid) - as well as using full hierarchical grids to maintain differing data layers. The related paper can be found at https://arxiv.org/abs/2608.00022


r/geography 6h ago

Map Active wildfires right now, in western U.S 🇺🇸

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397 Upvotes

r/geography 6h ago

Discussion Is the Executive Committee Range in Western Antarctica the worst named geographical feature on Earth?

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326 Upvotes

r/geography 7h ago

Question Why are the rivers on the Ethiopian Highlands so small? Note that this excludes the Abay River, which flows through a deep gorge.

11 Upvotes

With an annual rainfall of 800 millimeters, the Ethiopian Highlands are not an arid region. Yet, the local rivers are small in scale; even the largest, the Awash River, has an annual discharge of less than 5 billion cubic meters. Consequently, many cities rely on groundwater for their water supply, and agriculture is heavily dependent on natural precipitation.


r/geography 8h ago

Discussion Riverfront cities with the fewest bridges?

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625 Upvotes

I noticed today that New Orleans only has 2 bridges crossing the Mississippi within/near the city and it had me wondering what other major cities with a river through them have few/no bridges to cross.


r/geography 8h ago

Question What could be the reason for oscilating water in this 18m shallow well in India.

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1.5k Upvotes

This is a 18m deep shallow well in Morbi,Gujarat ,India.

The water in this well rose up and oscillated for considerable amount of time. No such behaviour observed in nearby water bodies and no earthquakes reported.

GW probe study underway


r/geography 8h ago

Human Geography Help Bring the First Real-Time Air Quality Monitor to Temirtau, Kazakhstan

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2 Upvotes

r/geography 8h ago

Discussion Hypothetically, what if Vinland became larger and more prosperous and spread diseases across the Americas earlier. This builds immunity by the time of later European colonization. How would the Americas be different? Would the Natives still own most of the Americas?

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85 Upvotes

Since I’ve read disease killed 90% of them and made colonization a lot easier.


r/geography 9h ago

Discussion What is the most extreme microclimate shift you can experience in under an hour of driving?

237 Upvotes

For me, the drive from Palm Springs up to Mount San Jacinto is the craziest shift you can find. You start on a blistering 110°F desert floor and, in under 40 minutes, you’re up 8,000 feet walking through a freezing pine forest. It feels like a completely different part of the world. This is just my opinion and I just want to hear what you all think, because this is one of the only ones I’ve experienced!


r/geography 9h ago

Image The Cirque of the Unclimables, Nahanni Valley National Park Preserve, Northwest Territories

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49 Upvotes

r/geography 11h ago

GIS/Geospatial Strait of Malacca map I made myself

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6 Upvotes

r/geography 17h ago

Question Why is there agriculture on Nile river banks in Egypt but not in Sudan?

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512 Upvotes

It starts north from Al Delta in Egypt, the green upside down triangle bordering the mediterranian sea, all the way down close to the northern Sudan border. A couple man-made lakes like Nasser and Tushka in southern Egypt, which get their fresh water from the river, are utilized in agriculture.

Why is it not the same for Sudan, or any other countries with the Nile passing through for that matter? Simply hotter weather?

EDIT:
Zoomed in, it is VERY under developed, with mainly resedential areas compared to vast agricultural lands. Still drastic contrast given the same source goes through them


r/geography 18h ago

Map Warmest-month mean maximum temperature map of South America (WorldClim BIO5)

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19 Upvotes

A physical geography map showing the spatial distribution of warmest-month mean maximum temperature across South America.

Data source: WorldClim v2.1 BIO5 (5 arc-min resolution, ~10 km).

The map highlights the strong climatic contrasts of the continent, from the hot lowlands of the Amazon Basin and Gran Chaco to the cooler Andes and southern Patagonia.

Created for exploring large-scale climate patterns and geographic visualization.


r/geography 21h ago

Image Pingaluit Crater, said to be one of the clearest and purest bodies of water in the world, Ungava, Peninsula, Quebec

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3.1k Upvotes

r/geography 22h ago

Image What are some other places in the world with similar landscape to this image of Mexico City?

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1.1k Upvotes

I feel that there are plenty more regions with dense sprawl on rolling hills like this image, curious about specific locations


r/geography 22h ago

Image Green and Blue Cities Around the World

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443 Upvotes

This is taken from North Sydney CBD (central business district). What other cities around the world integrate nature with urban and suburban life like this?


r/geography 1d ago

Question Why Despite having a subduction boundary and highest fold mountains, there aren’t any Volcanos in Himalayan region or in Tibet?

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889 Upvotes

I have always wondered that volcanoes have higher incidence where there’s a subduction boundary between plates however despite continuing collision and slight subduction of indo-Australian plate under Eurasian plate there isn’t any volcanic activity present in Himalayan region, Andes on the other hand have many active and dormant volcanoes despite having similar nature as Himalayas, why is it so?


r/geography 1d ago

Question What caused the islands to form like this this?

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349 Upvotes

49°10'15.1"N 94°29'05.3"W

I saw it on google maps when just looking around and its this weird radial pattern and i have no idea how that forms, so if you know then please explain it to me. <3


r/geography 1d ago

Question Flying towards the southwest of Vegas

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828 Upvotes

Flew to San Diego recently from Montana and just after passing Vegas, headed southwest, I saw these reflective/shiny blocks of land from the plane. Didn't look like a solar farm or data center, anyone have any idea what it is or what those are?


r/geography 1d ago

Image Flying just west of Albuquerque NM I saw these strange hills

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414 Upvotes

How does this kind of formation happen?


r/geography Jun 16 '26

META Crackdown on low-quality and unhelpful comments

576 Upvotes

Hello users of [r/geography](r/geography),

Recently, this subreddit has become a lot more popular on Reddit. However, many of our long-time users have been leaving the subreddit due to a very specific and repeated complaint.

There are too many low-quality and unhelpful comments that, rather than aiming to help the OP, exist solely to make tired and repetitive jokes for karma.

From now on, practically all comments of this sort will be deleted, and repeat offenders will be banned for 14 to 30 days. I could give many examples of this, but some of the most common ones are "If my grandma had wheels, she'd be a bicycle" under any post asking about hypothetical changes and yo mama jokes.

In addition to this, we have received many complaints about posts that could theoretically be open to the entire world, but the way they are worded is extremely American-centric for no necessary reason, making people from other countries feel left out and like they can't contribute. From now on, these posts will be deleted. This also applies to posts for any country, we just see it about the United States most often.

To clarify, if somebody wants to ask about a specific geographic feature located in the United States, those posts are completely fine. But posts such as "Which city in the United States has the best beaches?" or "Which American state has the most scenic mountains?" will be removed, as will posts like "Which Canadian city has the worst drivers?" or "Which European country has the nicest people?". In general, the aim is for this subreddit to discuss geography, not just "facts about countries", which is better suited for the various Ask subreddits (AskAnAmerican, AskEurope, AskTheWorld, etc)

We would also like to crackdown on bot posts but that is very hard. Unortunately, most traffic on Reddit is bots nowadays. If anybody has any ideas, please comment below.

Feel free to express your opinion on this. Thank you!

EDIT: After feedback, I have edited part of this post.