By late March or early April, the urge comes back. The days are getting longer, the high pastures still carry snow, but the foothills are already turning green. When it comes to hiking in Haute-Savoie, there is no fixed start date: it all depends on the elevation of the trail you have in mind. The higher you go, the longer you wait. Understanding this simple principle is half the work when it comes to avoiding icy snowfields on a trail that is technically "open".
Below 1,000 m: first outings from April onward
The most accessible areas at the start of the season are the low-altitude zones, particularly around Lake Annecy and across the Aravis and Bornes massifs. South-facing slopes thaw quickly. Snow has usually melted before the end of April, and forested paths stay walkable even after rain.
Two trails in this area give a good idea of what is available in spring. The Maisons loop from Duingt covers 6.7 km with 342 m of elevation gain: the ideal outing to get your legs moving again, with a maximum altitude of 759 m and around 1h50 of walking. If you want a longer half-day out, the Belvédère des Gelinottes from Seynod offers 13.4 km and 645 m of climbing to a viewpoint at 971 m, rated moderate. A solid target for late April or early May.
Other areas that open early include the Faucigny foothills, the lower slopes of the Aravis on the Annecy side, and forested paths that drain quickly after snowmelt.
From 1,000 to 1,500 m: plan for May and June
At this elevation, everything depends on how snowy the previous winter was. A heavy season can push the opening back to mid-June. A dry season might allow walking by late May on trails that have already dried out.
The Aravis and Bornes massif and the Annecy-Bauges area offer many routes in this elevation band. Beech forests and lower alpine meadows are usually walkable several weeks before the ridgelines. It is often the best window to explore quieter valleys: paths are not yet crowded, alpine flowers are blooming, and temperatures are still comfortable.
Above 1,500 m: wait until July
High-altitude hikes should not be attempted before July, or possibly late June in a favourable season. Persistent snowfields on north-facing slopes, waterlogged paths from snowmelt, and unstable scree make these routes genuinely risky earlier in the year.
Even in good weather, a high-mountain hike in May requires solid experience on snow and appropriate gear. It is not the right context for getting back into shape after a long winter break. Save these objectives for summer, when conditions are stable and predictable.
Classic spring traps to watch out for
Spring in the mountains comes with its own hazards. Here are the ones you will most likely encounter:
- North-facing snowfields: frozen solid in the morning, they turn soft and slippery in the afternoon. Without microspikes or poles, a fall on a steep section happens fast.
- Mud: after snowmelt, trails on soft ground become unstable and deteriorate quickly. Avoid wet zones or adjust your footwear accordingly.
- Swollen streams: crossings that are easy in summer can become impassable in May. Check the route before heading out.
- Late afternoon thunderstorms: at altitude, they build quickly during transitional seasons. Start early and descend before the sky turns grey.
Where to start in practice
For a first outing of the season without unpleasant surprises, a few simple guidelines:
- Go for forested paths between 400 and 900 m. Areas around Lake Annecy and the first hills open from mid-April onward.
- Choose loop routes through forests rather than exposed ridges. The ground is more stable and conditions more predictable.
- Check local trail conditions before heading out. Tourist offices and mountain hut wardens often post updates on trail status, especially after a freeze or rapid snowmelt.
- Start with short outings: one or two hours is enough to get your legs back and check your gear after winter.
The hiking season in Haute-Savoie does not begin on the same day for everyone. It begins when the elevation of your chosen route and current conditions line up. If you are heading to the lakeside and the hills, April is already here. If you are aiming for a pass or a summit, wait a while. The mountains are not going anywhere, and one hike done in good conditions is worth more than two turned back halfway.