America's Darkest Canyon Gets Just 33 Minutes of Sunlight a Day, and It Isn't the Grand Canyon

World Destinations Colorado's Black Canyon of the Gunnison is deeper than it is wide, and some stretches get barely 30 minutes of direct sun a day. By Laxman Rawal · Sep 24, 2026 Read the full story

Black Canyon of the Gunnison National Park in western Colorado is so narrow relative to its depth that some stretches of its floor get only about half an hour of direct sunlight a day — which is why early settlers named it Black Canyon in the first place. At… Travel Himalaya Nepal · News Read the full story

Why this canyon is darker than almost anywhere else in the US

The darkness comes down to geometry, not latitude. Most western canyons, including the Grand Canyon, are far wider than they are deep, so sunlight reaches the bottom for most of the day. Black Canyon inverts that: the Gunnison River has spent roughly two to… Travel Himalaya Nepal · News Read the full story

How it compares to the Grand Canyon

The Grand Canyon is bigger in almost every raw measurement — up to 18 miles across, roughly a mile deep on average and 277 miles long, against Black Canyon's 53 miles — and it draws nearly 5 million visitors a year to Black Canyon's 357,069. But size isn't… Travel Himalaya Nepal · News Read the full story

What it's actually like to visit, and when to go

Most visitors never leave the rim, and that is enough: the South Rim Drive is paved, open most of the year and takes two to three hours with stops at overlooks like Painted Wall and Chasm View. The gravel North Rim is seasonal, quieter and requires a longer… Travel Himalaya Nepal · News Read the full story

If deep, narrow gorges are your thing, here's where else to look

Nepal has its own extreme version of this geography, for a different reason. The Kali Gandaki Gorge, which the Annapurna Circuit trek walks straight through, runs between two mountains over 8,000 metres tall — it isn't the trench itself that's remarkable so… Travel Himalaya Nepal · News Read the full story

Frequently asked questions

Between 1,750 and more than 2,700 feet deep along its 53-mile length, according to the National Park Service, making it deeper than it is wide for most of that distance. No. The Grand Canyon is far larger overall, up to 18 miles wide and roughly a mile deep… Travel Himalaya Nepal · News Read the full story

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