There are several stunning hiks along the Icefields Parkway, between Jasper and Lake Louise
Here are some popular hikes around the Columbia Icefields:

Nigel Creek
This 14.5 km (return) hike north from the highway climbs 275 m to the Nigel Pass

Parker's Ridge

Parker’s Ridge
This 5 km (return) hike southeast from the highway offers views of the Saskatchewan and Athabasca Glaciers.
Athabasca Glacier
Hike from the parking lot up the glacier. Distance to the glacier about 1.5 km; distance to the top, another 3 km (one way). Cold-weather gear needed year-round.
Beauty Creek/Stanley Falls
6.5 km trail (return) from Beauty Creek campground up to Stanley Falls.

Other trails in the Rockies area