Quick Facts
Location: Cobalt Lake, Near Port Alberni, BC
Region: Central Vancouver Island
Trail Length: ~5 km (3 mi) to lake
Elevation Gain: ~600 m to lake
Difficulty: Moderate to Hard
Time: 3–5 hours round trip to lake
Admission: Free
Best Season: July – September
Dog Friendly: Yes (on leash)
Info
Access
Frequently Asked Questions
Where is Cobalt Lake located?
Cobalt Lake is a stunning alpine lake located in the mountains near Port Alberni on Vancouver Island, British Columbia. It sits along the trail to 5040 Peak, offering a rewarding destination for hikers who may not want to continue to the summit.[1]
How do I get to Cobalt Lake?
Access is via the 5040 Peak trailhead on Marion Creek Forest Service Road from Port Alberni. A 4×4 or high-clearance vehicle is recommended for the logging road. The hike to Cobalt Lake takes approximately 3–5 hours round trip with significant elevation gain through forest terrain.[2]
Can I swim in Cobalt Lake?
Yes! Cobalt Lake is known for its crystal-clear turquoise water and is a popular swimming spot in summer. The water is cold but refreshing after the steep climb. You can see right to the bottom of the lake.[1]
How difficult is the hike to Cobalt Lake?
The trail is moderate to hard with steep sections, exposed tree roots, and rocky terrain. The first section involves significant scrambling. It's a typical rugged Vancouver Island mountain trail — challenging but achievable for fit hikers.[3]
Can I camp at Cobalt Lake?
Yes, backcountry camping is permitted in the area. The ACC 5040 Alpine Hut is located above the lake and can be booked for overnight stays. There are also limited tent sites at the upper campground near the summit.[4]
When is the best time to visit Cobalt Lake?
July through September offers the best conditions when snow has melted. The lake may be frozen or snow-covered into early summer. Mosquitoes can be heavy near the lake in early season when snow is still lingering — come prepared with bug spray.[1]
What should I bring?
Bring proper hiking boots, layers for changing alpine weather, plenty of water and food, navigation tools, sun protection, and swimwear if you want to take a dip. This is a backcountry destination with no cell service.
Are dogs allowed at Cobalt Lake?
Yes, dogs are permitted on the trail. Keep them on leash and ensure they're fit for the challenging terrain. Bring water and supplies for your pet.
What other attractions are nearby?
- 5040 Peak — Continue to the summit for panoramic views
- Port Alberni — Gateway town with supplies
- Cathedral Grove — Old-growth forest on Highway 4
