You searched for: Place Finca La Selva, the OTS Field Station on the Rio Puerto Viejo, just E. of its junction with the Rio Sarapiqui. Beginning of Holdridge trail near successional plots. Remove constraint Place: Finca La Selva, the OTS Field Station on the Rio Puerto Viejo, just E. of its junction with the Rio Sarapiqui. Beginning of Holdridge trail near successional plots.