Fifth Lake via East Inlet Trail

This is a challenging hike. The full out-and-back route to Fifth Lake is approximately 29.7 kilometers (18.5 miles) and typically takes around 9.5 hours to complete. Keep in mind that individual times can vary based on fitness level and how much time you spend enjoying the scenery.

Komoot rates this trail as difficult. It begins with a relatively gentle ascent, passing Adams Falls, but then climbs steeply, gaining significant elevation. The terrain is varied, including wooded sections and rocky areas. Some parts may be muddy or have fallen trees, especially after rain. The path to Fourth and Fifth Lakes beyond Lake Verna is less maintained.

The trail offers a progression of stunning natural features. You'll pass Adams Falls early on, then continue through East Meadow, known for potential moose sightings. The route follows East Inlet Trail and leads past a series of beautiful subalpine lakes, including Lone Pine Lake, Lake Verna, and Spirit Lake, before reaching Fourth and Fifth Lakes. The views reportedly improve with increasing elevation.

No, dogs are generally not permitted on trails within Rocky Mountain National Park, including the Fifth Lake via East Inlet Trail. This policy helps protect wildlife and preserve the natural environment. Service animals are an exception.

The best time to hike this trail is typically from late spring through early fall (June to September) when the snow has melted and the weather is more favorable. However, conditions can change rapidly in the mountains, so always check the forecast and current trail conditions before heading out.

Yes, as this trail is located within Rocky Mountain National Park, you will need to pay an entrance fee to access the park. Additionally, during certain times of the year and specific hours, a timed entry reservation may be required to enter the park. It's crucial to check the official Rocky Mountain National Park website or recreation.gov for the most up-to-date information on fees and reservation requirements before your visit.

The trailhead for this hike is the East Inlet Trailhead, which is situated on the west side of Rocky Mountain National Park, near the town of Grand Lake. Parking is available at the trailhead, but it can fill up quickly, especially during peak season. Arriving early is highly recommended.

The trail offers good opportunities for wildlife viewing. Moose are frequently spotted in East Meadow, about 1.5 miles into the hike. As you gain elevation, particularly on the slopes above Fifth Lake, there's a chance to see bighorn sheep. Always observe wildlife from a safe distance and do not disturb them.

Given its 'difficult' rating, significant distance (29.7 km / 18.5 miles), and substantial elevation gain (817 m / 2,680 ft), this trail is generally not recommended for young children or beginner hikers. It requires a good level of fitness and experience with long, strenuous hikes. However, the initial section to Adams Falls (0.3 miles) is short and accessible for most.

For this long and challenging hike, you should bring plenty of water (at least 3-4 liters per person), high-energy snacks, appropriate layers of clothing for changing mountain weather, rain gear, sun protection (hat, sunglasses, sunscreen), a map and compass or GPS device, a first-aid kit, and sturdy hiking boots. Trekking poles can also be very helpful for the steep sections.

Yes, the East Inlet Trail provides access to various backcountry campsites for those interested in an overnight experience. These campsites require a wilderness permit from Rocky Mountain National Park, which must be reserved in advance. Check the park's official website for details on permits and regulations.