I would appreciate some insight. I’m traveling with someone who had knee replacement 9 months ago: Although surgery was a success, still prefers to do “easy” hike. We’d like to see Riffelsee on way down from Gornergrat. I am looking at the walk from Rotenboden station to Riffelsee then back to Rotenboden for return to Zermatt. Suggestions/advise?
Many Thanks.