Boulder Grand Pass and Thunder Lake Trail

Starting at the often-busy Wild Basin TH, the trail passes through dense forests as it follows the North Fork of the Saint Vrain River through the southernmost section of Rocky Mountain National Park. The trail passes alongside the small Copeland Falls before continuing west towards Calypso Cascades, Ouzel Falls and the Thunder Lake cutoff (though the backcountry campsite cutoff can save hikers...

Located right outside of Rocky Mountain National Park, this hike is perfect for anyone looking to do a little exploring without the cost of a park fee. The drive through the Rocky Mountains to the trailhead is an added bonus. This hike is great because it has multiple attractions all along the way. Not long after you begin the hike you come across Copeland Falls and then shortly after you run i...

Starting at the Wild Basin trailhead on the south side of Rocky Mountain National Park, hike through a wet forest towards upper and lower Copeland Falls, located 0.45 miles from the trailhead. From here, continue on the main trail along the North Fork of the Saint Vrain River to Calypso Cascades, a beautiful tumbling waterfall with some incredible fly fishing for Brook Trout below the cascade a...

Begin at the Wild Basin Trailhead in southeastern Rocky Mountain National Park near the town of Allenspark. Plan to start before sunrise if attempting this trek as a day trip in order to avoid afternoon thunderstorms above the treeline. This trip can easily be made into a backpacking experience by camping at any of the campsites along the trail or at Upper Ouzel Creek (below Bluebird Lake). Gra...

There are several ways to reach finch lake but this will cover the route from the Finch Lake Trailhead in the wild basin area of Rocky Mountain National Park. You can also loop it with other trails in the area or begin at the Allenspark Trailhead, which is technically outside the park and a bit easier of a hike.  The trail to Finch Lake starts off with a climb up the moraine and through an ope...

Pear lake is a beautiful alpine lake in the southern Wild Basin region of Rocky Mountain National Park. Once used as a reservoir, Pear Lake has been restored to its natural state and lies in scenic basin below some of the most isolated mountains in the park. The trail to Pear Lake passes through mature evergreen forests, aspen groves, fire clearings, and wet meadows that give occasional views o...