What to expect
The lake is only part of the day. A visit from Puerto Maldonado also includes transport and the approach to the water. Sandoval is an oxbow lake, with forest and palms along its banks. Leave time to look from the boat rather than squeezing the lake between two other appointments.
How it fits into a journey
Check whether Sandoval is already in your lodge programme. If not, arrange a separate visit from Puerto Maldonado with a clear return plan.