Since 1993, the Brazilian Sulphuric Acid Congress (COBRAS) has established itself as the main forum for debate and presentation of new technologies in the segment in the southern hemisphere.
In 2025, the event reaches its 13th edition and will be held from 29 September to 2 October in the enchanting Serra Gaúcha, in Gramado, RS. Leaders and experts from companies in various countries will be meeting to exchange experiences, share knowledge, present innovations and discuss the main market trends..
Among the main hotel options in Gramado, Wish Serrano offers an exclusive and cosy experience to enjoy the Serra Gaúcha and make unforgettable memories.
Located in the centre of Gramado, you can stay in comfort and refinement in one of the most sought-after areas of the city, without neglecting the tranquillity you are looking for during your break.
Av. das Hortênsias, 1480 | Centro, Gramado - Rio Grande do Sul | Brazil | CEP: 95670-000
Considered one of the most charming cities in southern Brazil, Gramado is surrounded by parks and flowers, offering attractions for all its visitors.
The best leisure spaces and activities to enjoy with the family are at Wish Serrano. There's a full programme of activities for everyone.
At Wish Serrano you'll also find excellent restaurants where you can dine and savour the best cuisine from our varied menu.