Grande Cascade de Tendon is a waterfall between Tendon and Le Tholy in the region Elzas Lotharingen/Vosges, France.
Driving on road D11 from Le Tholy to Tendon, the Grande Cascade de Tendon is located halfway on the left side of the road. There is a sign along the road pointing to the waterfall, turn left here. There is no official parking, but you can park the car somehwere near the Auberge.
From here it is a 5 minute walk to the Grande Cascade de Tendon. You can walk up along the 32 meter high waterfall, the largest waterfall in the region Vosges.
Driving towards the village of Tendon there is also a smaller waterfall Petite Cascade de Tendon. Many people make a roundtrip walking from Tendon to both waterfalls and back.