The best waterfall hikes and walks in Boulder County

The Wild Basin Trail offers a refreshing journey through a diverse landscape, starting with peaceful forested sections alongside the North St. Vrain Creek. You'll be treated to a series of impressive waterfalls, including the easily accessible Copeland Falls and the more dramatic Calypso Cascade, as the trail gradually ascends. This moderate hike covers 3.5 miles (5.6 km) with 1019 feet (310 metres) of elevation gain, making it a rewarding experience that typically takes about 1 hour and 45 minutes to complete.

Planning your visit to the Wild Basin Trail is straightforward, though it's wise to arrive early for parking, especially on busy days. While the trail is generally less crowded than other parts of Rocky Mountain National Park, winter conditions can lead to road closures a mile from the trailhead, extending your hike. Always check park alerts for current access information and be prepared for changing weather.

What makes the Wild Basin Trail truly stand out is its reputation as the "Trail of the Waterfalls," providing access to numerous cascades and serving as a gateway to stunning alpine lakes further in. It offers a quieter alternative to the park's more frequented areas, allowing you to immerse yourself in diverse ecosystems, from dense forests to higher alpine environments, and even spot signs of recovery from the 1978 Ouzel Fire.

Embark on a serene journey through an evergreen forest on the Calypso Cascades via Wild Basin Trail, where the constant rush of the North St. Vrain Creek creates a tranquil atmosphere. This easy 1.9-mile (3.0 km) hike, with 655 feet (200 metres) of elevation gain, guides you past the charming Copeland Falls early on before leading to the picturesque Calypso Cascades, where Cony Creek tumbles over mossy rocks. You can complete this scenic route in about 57 minutes, making it an ideal choice for a refreshing outing.

When planning your visit to this Wild Basin hiking trail, be aware that Rocky Mountain National Park often requires timed entry permits, especially during peak season from late May through mid-October, so book ahead. Dogs are not permitted on trails within the park. The Wild Basin area generally offers a more peaceful experience compared to other parts of RMNP, and the cascades are particularly impressive during spring runoff, though the trail is enjoyable through fall.

The Calypso Cascades are named after the rare purple Calypso Orchids that bloom along Cony Creek in late spring and early summer, adding a unique botanical element to your hike. This trail also serves as a gateway to longer adventures, with options to extend your journey to destinations like Ouzel Falls or Thunder Lake, making it a versatile starting point for exploring the southeastern corner of Rocky Mountain National Park.

The Calypso Cascades and Ouzel Falls via Allenspark Trail offers a delightful journey through a subalpine forest, tracing the North St. Vrain Creek. You'll be treated to the constant sound of rushing water as you make your way past Lower and Upper Copeland Falls, culminating in the impressive Calypso Cascades and the powerful 40-foot Ouzel Falls. The path is well-maintained, with natural log steps and switchbacks, providing a varied and engaging experience for hikers who love waterfalls and mountain scenery, including views of peaks like Longs Peak.

This moderate 3.8-mile (6.1 km) hike involves 986 feet (300 metres) of elevation gain and typically takes about 1 hour and 54 minutes. While the initial section is gradual, the final mile to Ouzel Falls is steeper, requiring good fitness. Located in the Wild Basin area of Rocky Mountain National Park, it's wise to check for any required permits or timed-entry systems before heading out, and be prepared for potential snow in shaded areas well into June.

What makes this trail particularly special is the succession of captivating waterfalls within a relatively short distance, offering a high reward for your effort. The Wild Basin area itself provides a more remote and less-traveled experience compared to other parts of Rocky Mountain National Park, giving you a sense of rugged beauty. Keep an eye out for unique Calypso Orchids in late spring and early summer, which lend their name to the cascades.

The Lion Lakes and Snowbank Lake Trail is a demanding yet incredibly scenic hike in Rocky Mountain National Park, leading you through varied terrain to a series of stunning alpine lakes. You'll trek through forests, across open meadows that bloom with wildflowers, and over rocky paths, eventually reaching the high-altitude Snowbank Lake, which often retains a snowbank well into summer. The route offers exceptional vistas of prominent peaks like Mount Alice and Chiefs Head Peak, making the significant effort truly worthwhile.

This difficult 6.8-mile (10.9 km) out-and-back route involves a substantial 3028 feet (923 metres) of elevation gain, typically requiring around 3 hours and 43 minutes to complete. Hikers should be prepared for strenuous conditions, including steep sections and potential snow, even in early summer. The Wild Basin Trailhead is your starting point, but always check current weather and trail conditions before heading out, as the alpine environment can change quickly.

What truly sets this trail apart is the journey through multiple alpine lakes, each with its own character. Beyond Lion Lake #1, the trail becomes less traveled, offering a sense of solitude as you ascend towards Lion Lake #2 and the highest, Snowbank Lake, perched at over 11,500 feet. The path between the first two Lion Lakes also features the picturesque Trio Falls, adding another highlight to this challenging and rewarding high-country adventure.

The Boulder Canyon Drive trail offers a unique opportunity to immerse yourself in the natural beauty of Boulder Creek and its surrounding canyons. As you traverse this 15.8-mile (25.4 km) route, you'll experience a mix of paved and crushed gravel paths, all while enjoying the soothing sounds of flowing water and views of tree-lined granite cliffs. Despite a modest 105 feet (32 metres) of elevation gain, the sheer length of this difficult trail means you'll be out for approximately 6 hours and 51 minutes, making it an endurance challenge for those who love long walks.

Planning your visit to Boulder Canyon Drive is straightforward, as the trail is easily accessible and well-maintained. Parking is available along the drive, though it's advisable to arrive early, especially on busy days. The trail is multi-use and dog-friendly, making it a great option for various outdoor enthusiasts. Remember to pack plenty of water and snacks for this extensive journey.

What makes this trail particularly appealing is its blend of natural escape and urban proximity. You'll find popular spots like Boulder Falls, a picturesque waterfall, and the expansive Barker Reservoir along the way. The trail's accessibility and the presence of picnic areas with creek access make it a fantastic recreational destination, offering a serene experience just outside downtown Boulder.