There are plenty of benefits to walking when you are moving around Morzine. It allows you to loo around the shops and take in the atmosphere of the town, enjoying the architecture and the smells from the restaurants and the local food shops, maybe even stopping to sample some cheese or sauscisson.
Morzine is more spread out than a lot of ski resorts, as it is not a town purpose built for skiing, rather being a town with a one thousand year history that grew up along the valley floor over the centuries, expanding greatly in the last one hundred years. For people staying in the centre of town it is easy to get around by foot. Most of the shops, bars and restaurants are spread along the rue du Bourg, from the tourist office down to the mairie. The Pleney lift is just up the road from the tourist office, allowing skiers, snowboarders, mountain bikers or hikers to access Nyon and Les Gets. Super Morzine is also a short walk giving access to Avoriaz and over to Chatel and the Swiss side of the Portes Du Soleil.
The Prodains and Ardent lifts are too far away and need to be accessed by car or bus.
Montriond is about a fifteen or twenty minute walk away from Morzine, from the bottom of the rue du Bourg. Across the valley floor from the road to Montriond Morzine stretches along about a twenty minute walk from the centre of town. There is a footbridge to get between the two sides of the valley. Down below, in the valley itself, there are woodland walks in the Dereches along the Dranse river. These walks can take you all the way to St Jean d'Aulps and Seytroux. During the winter, however, they can become icy. Ice can also be a problem in town during winter. The rue du Bourg in particular can become treacherous at times - the price you pay for the winter snowfall!
It is definitely easier and more enjoyable to walk around town in summer, and walking long distances carrying ski equipment is not much fun - ski boots are not designed for walking around towns.
During the interseason periods - May and June followed by a longer interseason running from mid September to mid December - the bus service does not run so, without a car, the only way to get around is by walking.