Patient description: The patient is a 24-year-old man who has had type 1 diabetes for 11 years. He presents to the emergency room with hyperglycemia and concern for possible diabetic ketoacidosis after not taking his insulin for 3 days. The patient reports that he is currently homeless and has lost his supply of insulin, syringes, glucometer, and glucose testing supplies. The patient states that at the time of his initial diagnosis with type 1 diabetes he was hospitalized with a glucose value >1000 mg/dL. At the time, he was experiencing polyuria, polydipsia, and polyphagia. He reports that he has been on insulin since the time of his diagnosis, and he has never been prescribed oral agents for diabetes management. Most recently, he has been using insulin glargine 55 units once daily, and insulin aspart sliding scale 3 times daily. The patient has had previous episodes of diabetic ketoacidosis, for which he was hospitalized. With this episode of hyperglycemia, he is not experiencing any nausea, vomiting, or abdominal discomfort, and he appears well. His lab studies showed: A1c: 11.3% Creatinine: 0.9 mg/dL with eGFR >60 mL/min Aspartate aminotransferase (AST): 17 U/L Alanine aminotransferase (ALT): 14 U/L Beta-hydroxybutyrate: 0.1 mmol/L Bicarbonate: 25 mEq/L Anion

Clinical trial eligibility criteria: eligible ages (years): 18.0-999.0,  Diabetes Mellitus Physical Activity Dietetic Rules Therapeutic Education Patient with type 2 diabetes defined by (HAS 2013) a blood glucose level above 1.26 g / l (7.0 mmol / l) after an 8-hour fast and checked twice or the presence of symptoms of diabetes (polyuria, polydipsia, weight loss) associated with blood glucose (on venous plasma) greater than or equal to 2 g / l (11.1 mmol / l) or blood glucose (on venous plasma) greater than or equal to 2 g / l (11.1 mmol / l) 2 hours after an oral load of 75 g of glucose (criteria proposed by the World Health Organization). 2. Patient with HbA1c at inclusion> 7 and <12% (on an HbA1c dose less than 6 months old at the prescreening) 3. Patient with a BMI ≥ 25 and a weight ≤ 125 kg 4. Patient with appropriate treatment 5. Age ≥ 18 years 6. Available to go on treatment in 6 weeks after 7. Available for a 12-month follow-up 8. Affiliated to the social security or beneficiary of such a scheme  Diabetes type 1 or secondary 2. Patient with GFR (glomerular filtration rate) <50 ml / min (MDRD formulation) for at least 1 year. 3. Unstable diabetes defined by the knowledge of the questioning of a change in HbA1c of +/ in the last 6 months. 4. With known serious comorbidity and / or limited life expectancy (<5 years), or with advanced macrovascular complications: in particular cardiovascular (acute coronary diseases and / or stroke in the last 6 months) and renal 5. Severe psychiatric pathology or psychosis 6. Pregnant woman, parturient or breastfeeding 7. Contraindication to hydrotherapy 8. Patient with a contraindication to moderate physical activity or cycling (acute coronary artery disease less than 2 years old, musculoskeletal problem of the spine or lower limbs incompatible with cycling). 9. No previous spa treatment for "Digestive disorders and metabolic diseases" in the current the spa year. 10. Person deprived of liberty or legal protection measure 11. Subject participating to an other clinical study interventional