Uploaded January 2022 | Updated September 2026, 2 weeks ago
The Problem: Riverbank Erosion Affects Tumbes Area
The Zarumilla River, which marks the border between Peru and Ecuador, is part of the Gulf of Guayaquil-Tumbes mangroves. The river’s currents, sediments, and tides strongly influence the geomorphology of this area. A portion of the riverbank located in the remote Tumbes region in Northwestern Peru was experiencing severe erosion.
This particularly vulnerable area required a slope protection solution to prevent further deterioration of the riverbank. The GEOWEB® Shoreline Protection System with concrete infill was selected to protect the Zarumilla riverbank against future storm events. The GEOWEB system with concrete infill provides economical, hard-armored protection of slopes and channels exposed to high flow velocities and high shear stresses. The system has been proven to withstand sustained flow velocities over 36 ft/s (11 m/s) and shear stresses of 20.9 psf (1.0 kPa), outperforming rip-rap, gabions, and other conventional hard armor strategies.
Read the case study: prestogeo.com/case_studies/concrete-filled-geoweb-system-protects-vulnerable-riverbank-from-erosive-forces
Request a free project evaluation: prestogeo.com/free-project-design
The Problem: Riverbank Erosion Affects Tumbes Area
The Zarumilla River, which marks the border between Peru and Ecuador, is part of the Gulf of Guayaquil-Tumbes mangroves. The river’s currents, sediments, and tides strongly influence the geomorphology of this area. A portion of the riverbank located in the remote Tumbes region in Northwestern Peru was experiencing severe erosion.
This particularly vulnerable area required a slope protection solution to prevent further deterioration of the riverbank. The GEOWEB® Shoreline Protection System with concrete infill was selected to protect the Zarumilla riverbank against future storm events. The GEOWEB system with concrete infill provides economical, hard-armored protection of slopes and channels exposed to high flow velocities and high shear stresses. The system has been proven to withstand sustained flow velocities over 36 ft/s (11 m/s) and shear stresses of 20.9 psf (1.0 kPa), outperforming rip-rap, gabions, and other conventional hard armor strategies.
Read the case study: prestogeo.com/case_studies/concrete-filled-geoweb-system-protects-vulnerable-riverbank-from-erosive-forces
Request a free project evaluation: prestogeo.com/free-project-design










