Sure! Here are several famous hiking trails in Colorado:

- Hanging Lake Hike. A 2.4-mile round-trip trail with two waterfalls and the most beautiful lakes in Colorado. 3 hours from Denver.
- Maroon Bells Hikes. There are five hiking trails from 1 to 13 miles round-trip with a Rocky Mountain landscape of the Maroon Bells peaks. 4 hours from Denver.
- Fountain Valley Trail. A 2.3-mile round-trip trail featuring great slabs of pink and orange rock. Note that pets are not allowed. 1 hour from Denver.
- Alberta Falls Hike. A 1.6-mile round-trip trail with a visit to Alberta Falls in Rocky Mountain National park. 2 hours from Denver.
- Fern Falls Hike. A 5.4-mile round-trip trail in Rocky Mountain National Park, where you can visit Fern Falls crashing over the forest. 2 hours from Denver.
- Flatirons Trail.  A 2.6-mile round-trip trail through a green meadow and a notch between the First and Second Flatirons. 1 hour from Denver.
- Devil’s Head Trail. A 2.8-mile round-trip trail including a 143-step climb to the fire lookout offering a panoramic view of mountains. 1 hour from Denver.
- Timberline Falls Hike. A challenging but rewarding 8-mile round-trip trail that passes Alberta Falls and into Loch Vale. 2 hours from Denver.
- Four Lakes and Waterfall Loop Hike. A 6.4-mile loop hiking trail passing four subalpine lakes and Alberta Falls. 2 hours from Denver.
- Monarch Lake Loop Hike. A 4-mile loop hiking trail around Monarch Lake through a forest, creeks, and the lake shore. 3 hours from Denver.
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