The crisp days of fall are upon us. Soon the leaves will change, and the air will be filled with the scents of the season.

Rocky Mountain National Park dazzles this time of year, with 76 mountain peaks over 10,000 feet high.

Here are the top 10 hiker-rated trails in Rocky Mountain National Park, according to Alltrails.com reviews:

1. Emerald Lake 

One of the most popular routes in Rocky Mountain National Park navigates hikers through stunning alpine lakes, Nymph Lake and Dream Lakes.

2. Sky Pond via Glacier Gorge Trail

Hikers pass the breathtaking Alberta Falls about a mile into this 8.1-mile trek.

3. Gem Lake 

The 3.1-mile trail features a lake, is rated as moderate and offers plenty of picnic opportunities.

4. Loch Lake via Glacier Gorge Trail

This half-day, 5.4-mile hike is popular for horseback riding, snowshoeing and its beautiful canyons of wildflowers.

5. Chasm Lake

The 9.4-mile trek includes a majestic waterfall.

REST OF THE TOP 10:

6. Alberta Falls

7. Dream Lake 

8. Ouzel Falls via Wild Basin Trail 

9. Twin Sisters Peak

10. Deer Mountain