Lake Monoun | Nkongsamba

Lake Monoun is a small crater lake situated in the Western Region of Cameroon, near the town of Nkongsamba.

Visual Characteristics

The lake is approximately circular with a diameter of 100 meters. Its surface is typically calm, reflecting the surrounding dense tropical rainforest vegetation. The water color is a dark, opaque green due to dissolved organic matter and sediment.

Location & Access Logistics

Lake Monoun is located 15 kilometers southwest of Nkongsamba. Access is via a dirt track branching off the main Nkongsamba-Melong road (N5). The track is approximately 3 kilometers long and can be challenging for standard vehicles, especially during the rainy season. Four-wheel-drive vehicles are recommended. There is no designated parking area; vehicles are typically parked at the roadside near the track entrance. Public transport to Nkongsamba is available via bus from major cities like Douala and Yaoundé. From Nkongsamba, local taxis or hired transport are required to reach the vicinity of the lake.

Historical & Ecological Origin

Lake Monoun is a maar lake, formed by a phreatomagmatic eruption, a type of volcanic eruption caused by the interaction of magma and groundwater. This geological event occurred approximately 1,500 years ago. The lake is part of a volcanic field characterized by numerous small craters and cones.

Key Highlights & Activities

Observation of the lake's unique geological formation. Photography of the surrounding rainforest environment. Limited fishing by local residents is observed. No organized tourist activities are available.

Infrastructure & Amenities

There are no public facilities at Lake Monoun. Restrooms, shade, and food vendors are not present at the site. Cell phone reception is unreliable in this remote area.

Best Time to Visit

The dry season, from November to March, offers the most accessible conditions for reaching the lake. Mid-morning provides consistent natural light for photography. There are no tidal influences.

Facts & Legends

Lake Monoun is known for a limnic eruption event that occurred on August 21, 1984. This event released a large cloud of carbon dioxide from the lake, leading to the deaths of 37 people in nearby villages. This incident highlighted the potential danger of dissolved gases in deep crater lakes.

Nearby Landmarks

• Lake Kivu (approximately 100km West)
• Mount Cameroon National Park (approximately 80km Southwest)
• Bafoussam (approximately 60km Northeast)
• Douala (approximately 120km Southeast)