The Grand Départ will be the second to take place in the autonomous region of the Basque Country after Saint-Sébastien’s in 1992 and the 25th to be held abroad.
After three stages on the western side of the Pyrenees, the rest of the Tour will take place in France. It will visit 6 regions and 23 departments. 

There will be 21 stages:

• 8 flat stages
• 4 hilly stages
• 8 mountain stages with
• 4 summit finishes (Cauterets-Cambasque, Puy de Dôme, Grand Colombier and Saint-Gervais Mont-Blanc)
• 1 individual time trial
• 2 rest days 

Out of a total of 40, 12 new stage towns and other locations will appear on the 2023 Tour map:

• Bilbao (start and finish of stage 1)
• Amorebieta-Etxano (start of stage 2)
• Nogaro (finish of stage 4)
• Vulcania (start of stage 10)
• Moulins (finish of stage 11)
• Belleville-en-Beaujolais (finish of stage 12)
• Châtillon-sur-Chalaronne (start of stage 13)
• Les Gets Les Portes du Soleil (start of stage 15)
• Passy (start of stage 16) - Combloux (finish of stage 16)
• Poligny (finish of stage 19)
• Le Markstein Fellering (finish of stage 20)

• The race will visit all five of France’s mountain massifs. They are, in the order they occur, the Pyrenees, the Massif Central, the Jura, the Alps and the Vosges.
• There are three new climbs: the Côte de Vivero (Basque Country), the Col de la Croix Rosier (Massif Central) and the Col du Feu (Alps).
• The Puy de Dôme, which hasn’t appeared on the Tour route since 1988, will be making an eagerlyawaited return after its 35-year absence.
• The Col de la Loze (2,304m) will be the “roof” of the Tour de France 2023 

There will be just a single individual test on the programme of the 110th edition. It will be held in the Alps, at altitude and in steep terrain, on the Passy > Combloux 16th stage, and over a distance of 22,4 km.

• Time bonuses will be awarded at the finish of each stage and will amount to 10, 6 and 4 seconds, respectively, for the first three classified riders.
• Bonus points will be located on passes or summits at strategic points along the route. The first three classified riders will be awarded bonuses of 8, 5 and 2 seconds, respectively (subject to approval by the International Cycling Union). These bonus points will not count towards the points classification.

A total of 2,3 million euros will be awarded to the teams and riders including € 500,000 to the final winner of the overall individual classification.