4.9
(6150)
16,446
hikers
Saint Paul Lake Trail
04:06
12.5km
590m
Hiking
Embark on the Saint Paul Lake Trail, a moderate hike stretching 7.8 miles (12.5 km) through a dense cedar-and-hemlock forest. You will gain 1939 feet (591 metres) in elevation over an estimated 4 hours and 5 minutes, experiencing a true wilderness adventure. The path winds through a rainforest-like environment, rich with mosses, ferns, and devil's club, often on packed dirt with loose rocks. Expect to navigate numerous water crossings as you make your way towards the destination. As you approach Saint Paul Lake, the towering presence of Elephant Peak and St. Paul Peak creates an impressive backdrop, rewarding your effort.
Before you head out, be aware that the Isabella Creek crossing can be challenging and even dangerous for a good portion of the season, so always check current local conditions. No permits are required for hiking this trail, making access straightforward. While horses are permitted on the trail itself, remember they are not allowed within the lake basin. Planning your visit with these details in mind will help ensure a smooth and enjoyable experience.
This trail offers a deep dive into the Kootenai National Forest, showcasing its unique ecosystem. The abundance of mosses, ferns, and devil's club highlights the area's lush, moist environment, distinct from many other forest types. The journey culminates at Saint Paul Lake, providing a serene natural escape. This route is a prime example of the rugged beauty and diverse landscapes found within this specific region, making it a notable choice for those seeking a genuine forest immersion.
Last updated: April 23, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Cabinet Mountains Wilderness
Waypoints
Start point
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6.22 km
St. Paul Lake
Highlight • Lake
Tip by
12.5 km
End point
Way Types & Surfaces
Way Types
12.5 km
Surfaces
12.5 km
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Elevation
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Weather
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Monday 10 August
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Frequently Asked Questions
Where is the trailhead for Saint Paul Lake Trail and what are the parking options?
The trailhead for the Saint Paul Lake Trail is located in the Cabinet Mountains Wilderness. You'll find parking available at the trailhead itself. It's a straightforward access point for starting your hike.
How challenging is the Saint Paul Lake Trail?
This trail is generally considered to be of moderate difficulty. While the initial sections are a gradual climb, the incline becomes steeper as you approach St. Paul Lake, with the final push being the steepest part of the hike. It's a good workout but manageable for most hikers with some experience.
How long does it typically take to hike to Saint Paul Lake?
The round trip is approximately 8.7 to 10 miles. Most hikers can expect to complete the trail in about 4 to 5 hours, depending on their pace and how long they spend enjoying the lake.
What kind of terrain can I expect on the trail?
You'll hike through a dense cedar-and-hemlock forest, often described as having a "rainforest feel" due to abundant mosses, ferns, and devil's club. The path is primarily packed dirt with loose rocks. Expect numerous water crossings, some manageable by rock hopping, and a sturdy bridge over Placer Creek. There are also wet areas and "seeps" throughout.
Are there any difficult crossings or sections I should be aware of?
Yes, while many water crossings are minor, the Isabella Creek crossing is noted as potentially challenging and even dangerous for much of the season. Always exercise caution, especially during periods of high water flow.
What is the best time of year to hike to Saint Paul Lake?
The trail is best hiked from late spring through early fall. During these months, snow has typically melted, and the weather is more favorable. Be aware that Isabella Creek can be challenging earlier in the season due to higher water levels.
Is Saint Paul Lake Trail dog-friendly?
Yes, dogs are permitted on the Saint Paul Lake Trail. Please ensure your dog is under control and follow all wilderness regulations, including packing out waste.
Do I need a permit or pay an entrance fee for this trail?
No, permits are not required for hiking the Saint Paul Lake Trail, and there are no entrance fees for accessing this part of the Kootenai National Forest.
Is there water available along the trail, and can I swim or camp at the lake?
The trail follows the East Fork Bull River, providing virtually constant access to water, though you should always filter or treat any water you drink. Upon reaching St. Paul Lake, you can enjoy a quick, albeit ice-cold, swim. Dispersed campsites are available, with a good spot on the relatively flat southeast side of the lake.
What kind of natural features or viewpoints can I expect?
The trail offers a true wilderness experience within the Cabinet Mountains. You'll be immersed in a lush forest with abundant mosses and ferns. As you near St. Paul Lake, you'll be rewarded with stunning views of Elephant Peak and St. Paul Peak towering above the lake. Wild mushrooms can also be observed along the path.
What should I pack for a hike on the Saint Paul Lake Trail?
Given the moderate difficulty and potential for wet conditions, pack sturdy hiking boots, layers of clothing, rain gear, plenty of water (or a filter), snacks, and a first-aid kit. Insect repellent is also recommended, especially during warmer months. Don't forget your camera for the scenic views!
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