Researched route, Icefields Parkway
Icefields Parkway, Banff
The Helen Lake trail off the Icefields Parkway, over a ridge to Katherine Lake: the common way in to the skiing between the two lakes and the alpine beyond.
Helen and Katherine Lakes sit in the alpine above Bow Lake, beside the Icefields Parkway, inside Banff National Park, about 33 km up the Parkway from the Trans-Canada near Lake Louise. It's 8.1 km on the Helen Lake trail to Katherine Lake, and back the same way: about 16.2 km round trip and 669 m of climbing, counting the ups and downs. The trail runs through forest, then under Crystal Ridge and along Helen Creek to Helen Lake, over a ridge at 2,537 m and down to Katherine Lake's north end. It's the common way in to the skiing on the ridge between the two lakes, and the alpine beyond. Where you go from the lakes and what you ski is your call. We built this route from research and haven't skied it ourselves.
We built this route from our own extensive research. All resources are cited on the dashboard. We haven't skied it ourselves, the routes illustrated may not be the best line choice, use your own judgement when planning. Remember you are still responsible for your own tour.
Last checked October 20, 2026.
| Distance | about 16.2 km round trip, 8.1 km to Katherine Lake |
| Elevation gain | about 669 m to Katherine Lake, counting about 250 m of ups and downs on the way |
| Slope angles | mostly 10 to 25 degrees on the line, up to about 30 on the ridge climb; beside it, 30 to 49 degrees on the slopes above the creek from about 3.2 to 4.6 km, and short steps of 30 to 36 degrees on the ridge's southwest side; terrain data reads low |
| Trailhead | 1,967 m on terrain data |
| Helen Lake | about 6 km, 2,394 m on terrain data |
| The ridge | 2,537 m at its highest on our line, terrain data |
| Katherine Lake | 2,384 m at the north end, terrain data |
| Nearest town | Lake Louise |
| Pass required | Parks Canada |
| Skied by us | Not yet |
The Helen Lake trailhead is on the Parkway's east side (Highway 93 North), about 33 km up from the Trans-Canada, opposite the Crowfoot Glacier viewpoint above Bow Lake. A February 2025 report says the Helen Lake lot isn't open in winter. Skiers park at the viewpoint and skin over the road and through the lot to the trail sign, and a guidebook gives the same viewpoint for parking. We haven't confirmed where Parks Canada plows, so check the pull-outs when you arrive.
Stopping anywhere in Banff National Park takes a Parks Canada pass. Parks Canada requires snow tires or chains on the Icefields Parkway between November 1 and the end of March, or whenever the road is snow or ice covered, and says there's no cell service on the Parkway itself. It closes the Parkway for avalanche control, so check 511 Alberta before you go. Stopping isn't allowed in the signed avalanche paths along the highway. Parks Canada draws its intermittent avalanche closure zones for the Parkway on its Area Closures page. When we checked in October 2026, the nearest one, under Dolomite Peak, was southeast of the trailhead across Helen Creek, and none covered the trailhead or the trail. Parks Canada closes a zone when the forecast headline announces avalanche control work. A 2016 Parks Canada order restricts water activities in Helen Creek, but it allows wading across to stay on a marked trail where there's no bridge.
From the trailhead the trail runs east through forest, nearly level, along the foot of Crystal Ridge's slopes for about 2 km. A February 2025 report describes the uptrack splitting early on, one way to Crystal Ridge and one to Helen Lake. Ours follows the Helen Lake trail as OpenStreetMap maps it. It then climbs gently up the west side of Helen Creek, under steep north-east and east facing slopes, to about 4.6 km. Trip reports describe crossing below avalanche slopes here, and a December 2024 report describes an easy creek crossing and some willows in the slide paths. The trail leaves the creek and climbs through trees to about 5 km, then meadows, and reaches Helen Lake at about 6 km, near 2,394 m. The lake sits just west of the line.
Past Helen Lake, the trail climbs the southwest side of the ridge between the two lakes, about 140 m over 1.2 km, to a crest at 2,537 m near 7.2 km. From the crest it drops about 130 m to Katherine Lake's north end at 8.1 km. Sources give the trip as 8.2 km one way, and ours is 8.1.
The trail gets you in, and the skiing is yours to choose. A guidebook and Avalanche Canada's Mountain Information Network reports describe short runs of about 100 to 150 m vertical on both sides of the ridge. The slopes toward Helen Lake are rockier, and the same guidebook says avalanches are more common there. The slopes toward Katherine Lake ask less of you, and being sheltered, they tend to keep better snow. Reports from December 2023 and December 2024 describe laps on mellow north-east slopes and a gentle slope along the ridge over Katherine Lake, and good skiing on east aspects down to the lake. Others use this as the first leg of the Dolomite circuit, toward Dolomite Pass past Katherine Lake, or climb Cirque Peak from Helen Lake. We haven't drawn those. Parties also leave the trail for Crystal Ridge and Helen Shoulder, which have their own routes.
Where the sources are thin, here's our own read of the terrain data. The ridge's southwest side is mostly 20 to 25 degrees for about 1 km beside the line, with short, benched steps of 30 to 36. The ground sloping east toward Katherine Lake is low angle, mostly under 25 degrees. Terrain data reads low, so slopes are steeper than they appear.
The way out is the way in. Follow the trail back over the ridge, past Helen Lake and down along the creek, then through the forest to the trailhead. From wherever your skiing ends, get back to the trail. If you ski toward Helen Lake, head for the lake and pick up the trail near its outlet stream. If you ski toward Katherine Lake, climb back to the crest. A March 2023 report found the creek stretch holding little snow, like late April, and a 2006 trip report warns that straying too far north off the trail on the way down lands you in a tight gully.
The trail passes under steep slopes. From about 3.2 to 4.6 km, slopes of 30 to 49 degrees on our terrain data rise within about 300 m of the line, facing north-east and east. That's Crystal Ridge's east face, and the trail runs right below it, so you're under overhead hazard. Earlier trip reports describe crossing below avalanche slopes here. In March 2023 a report saw a recent natural slide on Crystal Ridge's eastern face that had broken down to rock. Slopes are steeper than they appear.
Crystal Ridge and the Sugar Cube. Reports from the slopes above the trail describe whumpfs and shooting cracks at the edge of the trees (January 2024, December 2025), small slides set off by skiers on cross-loaded slopes (January 2024, January 2026), and loose snow running off the rock bands.
The ridge climb. The line climbs the ridge's southwest side in open alpine, at up to about 30 degrees on our data, beside short steps of 30 to 36. Reports from January 2023 and December 2024 describe wind-affected, thin slopes there, bare on the windward side. In December 2024 a report found whumpfing and shooting cracks on the climb to a ridge over Katherine Lake, and a natural size 2 on Cirque Peak's south ridge that looked like a cornice failure setting off a wind slab. In November 2022 a report found whumpfing and cracking above the trees on several aspects. In March 2026 a party turned back from laps on a north-east slope above Katherine Lake after whumpfing.
Helen Shoulder's side and the slopes north of Helen Lake. In November 2022 a skier set off a small slab near a rocky outcrop on Helen Shoulder's side. In February 2023 reports saw natural slabs to size 2.5 on the slopes north of Helen Lake. After a foot of new snow in April 2023, a report saw large slabs run to the ground, size 3 on south slopes.
What the avalanche reports show. Reports to Avalanche Canada put the slides on the slopes beside the trail and the ridge beyond: Crystal Ridge's eastern face and the Sugar Cube, Helen Shoulder's side of the creek, the slopes north of Helen Lake, the ridge over Katherine Lake and Cirque Peak's south ridge. They describe wind slabs and deep slabs breaking near the ground, whumpfs and shooting cracks over rolls and lee slopes, loose snow off rock bands, and a thin, sugary pack in the first weeks of winter. Skiers set off small slabs on rolls and cross-loaded slopes. The larger slides were natural, mostly seen from across the valley or from the Parkway. Many reports were posted for the neighbouring routes. Reports follow where people go, so the record shows where people have been, not which slope is more dangerous.
The lakes. In November 2022 a report found Katherine Lake not fully frozen, and slushy on its north side. It's worth remembering early in the winter.
On the climb and in the creek valley: deep new snow to break trail through, a creek crossing you can't make, or slides running off the slopes above the trail.
At the lakes and on the ridge: fresh debris, whumpfs or cracking, heavy new snow, wind loading, sun or a quick warm-up, a cornice above you, or slush and open water on the lakes.
Nothing on the trail commits you, and turning around only costs you the rest of it.
Whether to go is your call on the day. Read the forecast and decide from what you find.
A long day on a well-travelled trail, and avalanche skills. About 16 km and 670 m of climbing for the lakes, plus whatever skiing you choose. A trip report gives eight hours for the lakes. The trail under Crystal Ridge crosses below avalanche slopes, and the ridge is avalanche terrain. We'd carry a transceiver, probe and shovel and practise with them, and go with partners who do too. Parks Canada says there's no cell service on the Parkway.
What we can't tell you yet. How the trail skis on the day, where the uptrack runs that week, and how long it takes you. The dashboard's estimate uses your own pace.