A bird sitting on a nest of eggs.

Hiking Near Hidden Lake, Colorado

Regional Classics Icon

Regional Classics

Discover the must-do hikes in the area, handpicked and curated by local experts who know the trails best. These routes are beloved for good reason, offering standout scenery, rewarding terrain, and detailed descriptions with tips that tell you exactly what to expect. Whether you are visiting for the first time or are a local doing them on repeat, they offer a reliable and memorable hiking experience.

Red Deer Lake

Classic Hike Route

Red Deer Lake

Commonly Backpacked
moderate
13.58 mi
+1,882 ft
Pawnee-Buchanan Loop

Classic Hike Route

Pawnee-Buchanan Loop

Birding
strenuous
25.68 mi
+7,121 ft
Saint Vrain - Meadow Mountain Out and Back

Classic Hike Route

Saint Vrain - Meadow Mountain Out and Back

Fall Colors
strenuous
9.26 mi
+3,742 ft
Long Lake Loop

Classic Hike Route

Long Lake Loop

Birding
moderate
3.51 mi
+315 ft
Isabelle Glacier Out and Back

Classic Hike Route

Isabelle Glacier Out and Back

Fall Colors
strenuous
8.18 mi
+1,875 ft
Sugarloaf Mountain

Classic Hike Route

Sugarloaf Mountain

Fall Colors
moderate
1.36 mi
+479 ft
Shorter Routes icon

Shorter Routes

These hikes keep it under 5 miles and climb less than 1,500 feet, making them ideal for quicker outings or lower-key days. Perfect for a morning stretch, a casual afternoon, or getting outside without committing to a big push. Don’t let the stats fool you — many still pack in great views and rewarding moments.

Brainard Lake Snowshoe Trail

Hike Route

Brainard Lake Snowshoe Trail

Lake
moderate
4.65 mi
+406 ft
Fourmile Creek - Gold Hill Connection

Hike Route

Fourmile Creek - Gold Hill Connection

Birding
moderate
4.91 mi
+932 ft
Long Lake Loop

Classic Hike Route

Long Lake Loop

Birding
moderate
3.51 mi
+315 ft
Switzerland Trail - Bald Mountain Loop

Hike Route

Switzerland Trail - Bald Mountain Loop

Fall Colors
strenuous
4.76 mi
+738 ft
Mitchell Lake + Blue Lake

Hike Route

Mitchell Lake + Blue Lake

Lake
easy
4.79 mi
+881 ft
Long Lake via Jean Lunning Trail

Hike Route

Long Lake via Jean Lunning Trail

Lake
easy
2.74 mi
+185 ft
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Adventurous Routes

These routes go beyond 10 miles and are built for days when you want to cover more ground and push a little deeper. Expect longer distances, more effort, and bigger payoffs — whether that’s remote terrain, summit views, or a full-day challenge. Ideal for hikers looking to go farther and stay out longer.

Red Deer Lake

Classic Hike Route

Red Deer Lake

Commonly Backpacked
moderate
13.58 mi
+1,882 ft
Lake Isabelle Trail

Hike Route

Lake Isabelle Trail

Lake
strenuous
10.23 mi
+939 ft
Pawnee-Buchanan Loop

Classic Hike Route

Pawnee-Buchanan Loop

Birding
strenuous
25.68 mi
+7,121 ft
Gibralter Lake Out and Back

Hike Route

Gibralter Lake Out and Back

Fall Colors
moderate
10.86 mi
+1,857 ft
Lion Lakes Hike

Hike Route

Lion Lakes Hike

Lake
extreme
12.73 mi
+2,941 ft
Thunder Lake

Hike Route

Thunder Lake

Lake
strenuous
13.16 mi
+2,812 ft

Other Nearby Routes

Not finding what you're looking for? These additional nearby hikes offer more ways to get outside and explore the area. With a mix of lengths, difficulty levels, and terrain, you're likely to find something that fits your plans for the day. And remember, you can always use the onX Route Builder to create your own adventure from scratch.

Brainard Gateway Figure-8

Hike Route

Brainard Gateway Figure-8

Lake
moderate
9.75 mi
+1,391 ft
Saint Vrain - Meadow Mountain Out and Back

Classic Hike Route

Saint Vrain - Meadow Mountain Out and Back

Fall Colors
strenuous
9.26 mi
+3,742 ft
Mount Audubon and Paiute East

Hike Route

Mount Audubon and Paiute East

Birding
strenuous
9.41 mi
+3,738 ft
Mitchell Lake Trail Out and Back

Hike Route

Mitchell Lake Trail Out and Back

Lake
moderate
5.24 mi
+928 ft
Long Lake, Lake Isabelle + Pawnee Pass

Hike Route

Long Lake, Lake Isabelle + Pawnee Pass

Lake
moderate
8.91 mi
+2,182 ft
Isabelle Glacier Out and Back

Classic Hike Route

Isabelle Glacier Out and Back

Fall Colors
strenuous
8.18 mi
+1,875 ft