From Place de Jaude to the summit of Puy de Dôme, in a circular route and at a leisurely pace

All the stages of this journey are rated as Easy or Moderate; some are a little more challenging due to steeper gradients, but there are no other particular difficulties.
I recommend the Visorando app.

To get to the start of each stage, and to return to Clermont Jaude at the end, use the Clermont-Ferrand metropolitan area’s T2C buses and the Moovicité On-Demand Transport Service (TAD). The relevant routes and stops are listed in the ‘Practical Information’ section for each stage.
Please note! From stage 3 onwards, you’ll start using the Moovicité Transport on Demand service, so remember to book your journey!
The TAD minibuses can be used with a valid T2C urban transport ticket. They are free on Saturdays but, please note, they do not run on Sundays.

For experienced walkers, it is possible to complete the route without returning to Clermont. However, as there is no accommodation available in some villages, you will need to cover more than one stage per day. Here is a suggested 4-stage route: “From Place de Jaude to the summit of the Puy de Dôme, a circular route without stopping to linger”:

Stage 1: Place de Jaude – Beaumont as far as (12) (10 km), then Beaumont – Ceyrat from (1) (8 km), then Ceyrat – Saint-Genès as far as (1) (800 m), for a total of almost 19 km, elevation gain 523 m, elevation loss 325 m, difficulty: medium to quite difficult
In Ceyrat, at Le Chanset campsite, shortly after (1) on the Ceyrat–Saint-Genès section, the path runs behind the campsite, past a gate reserved for residents. Follow the path that branches off to the left and runs alongside the campsite on your right to reach the main entrance.

Stage 2: Ceyrat – Saint-Genès from the campsite, shortly after (1) (13 km), then Saint-Genès – Laschamps (10.5 km), then Laschamps – Orcines as far as (1) (500 m), for a total of 24 km, elevation gain 1,000 m, elevation loss 590 m, difficulty: difficult
In Laschamps, the Archipel Volcans lodge, at the start of the Laschamps–Orcines stage, just before (1).

Stage 3: Laschamps – Orcines starting from (1) (13 km), then Orcines – Royat as far as (5) (Fontanas), then on to the lodge (4.6 km), for a total of 19.6 km, elevation gain 560 m, elevation loss 750 m, difficulty: Moderate to Quite Difficult
At Fontanas, on the Tiretaine side, at (5) on the Orcines - Royat: follow the route to visit the village, then, back on the Route des Dômes, turn left until you reach a point about fifty metres from the junction with the D68, where the crêperie Côté Tiretaine – which also offers guest rooms in its Côté Puy de Dôme section – is on the left.

Stage 4: Orcines – Royat from (5) + walk to the lodge (5.5 km) then Royat – Place de Jaude (13 km) for a total of 18.5 km, elevation gain 360 m, elevation loss 760 m, difficulty: Moderate to Quite Difficult

See this paragraph in the information sheets for each stage

Discover more hikes in this area with a description or the Visorando app here and more generally in the Puy-de-Dôme here