Waterfalls, the crawl-through tunnel, a cabled traverse and the cirque-bound Crypt Lake on the US border

The line through Waterton Lakes NP, Alberta, Canada - waypoints, elevation and the day-by-day shape of the walk.
Late Jun-early Sep (boat season)
Mountain storms, wind, cold at the lake
Boat-access season ~late Jun-early Sep; snow lingers early. Confirm.
Forest, waterfalls, a natural rock tunnel you crawl through, a cabled cliff ledge to a hanging lake
Non-technical walking/hiking; confirm any exposed or scrambly sections locally
Marked/waymarked route; navigation generally straightforward - carry a map and confirm locally
Suitable for reasonably fit hikers; not wheelchair accessible - confirm specifics
Black and grizzly bear country - carry bear spray, travel in groups, store food properly
Popular; boat-capacity limited
None really - the boat schedule sets the day
Waterton townsite boat dock
Mandatory shuttle boat both ways across Upper Waterton Lake - book and mind the return time
Day route - none needed
Day-hike kit, water, sun/rain protection, sturdy footwear; coverage varies
Services in Waterton; limited or none on the trail
Not required; self-guided
Parks Canada day pass; a scheduled shuttle boat across Waterton Lake is required both ways. Confirm.
Permits and operators change - confirm before booking.
Black and grizzly bear country - carry bear spray, travel in groups, store food properly; the exposed cabled ledge, the tight tunnel, weather, missing the boat
Retrace the route to exit; dial local emergency services; carry a means of calling for help where remote
This profile is desk research, compiled from public sources - not a first-hand trail report. Coordinates are approximate.