
Mosquitoes and Sandflies in Manu: Effective Protection and Critical Times
Are you worried about mosquitoes in Manu? It’s one of the most common concerns before traveling to the Amazon. The good news: the problem is manageable with the right preparation.
🌎 Why Are There Mosquitoes and Sandflies in Manu?
Manu National Park is a tropical rainforest, which means:
- High humidity (80–95%)
- Natural standing water
- Warm temperatures year-round
The main insects that affect travelers are:
- Common mosquitoes
- Dengue-carrying mosquitoes
- Sandflies (small sandflies)
⏰ Peak Biting Times
Dawn (5:30 – 8:00 am)
- High mosquito activity.
Sunset (5:00 – 7:00 pm)
- Peak activity.
Night
- Sandflies may be active, especially near the river.
- During midday, activity usually decreases.
🌦️ Dry vs. Rainy Season
Dry Season (May–October)
- Lower overall density
- Moderate bites
- More comfortable walks
Rainy Season (November–April)
- Greater presence of insects
- Higher humidity
- More activity at dawn and dusk
In both cases, proper protection significantly reduces the problem.
📊 Quick Protection Chart
| Factor | Dry Season | Rainy Season | Recommended Protection Level |
|---|---|---|---|
| Mosquitoes | Medium | High | 30–50% DEET repellent |
| Sandflies | Low–Medium | Medium | Long sleeves + mosquito net |
| Peak Activity Time | Sunrise | Sunrise + sunset | Avoid exposed skin |
| General Tourist Risk | Low | Low–Moderate | Consistent protection |
🎒 Effective Protection: What Really Works
Appropriate Repellent
- 30–50% DEET or Icaridin
- Reapply every 4–6 hours
Strategic Clothing
- Lightweight long sleeves
- Long pants
- Light or neutral colors
Nighttime Protection
- Always sleep with a closed mosquito net
- Avoid unnecessary bright lights
Avoid perfumes
- They attract insects.
🧭 Is It a Serious Problem?
For most tourists:
- Yes, there will be bites.
- It’s not an unbearable invasion.
- It’s part of the Amazon experience.
Thousands of travelers visit Manu every year without major problems.
🌡️ Additional Considerations
There is no altitude sickness in Manu, but the tour departs from Cusco, where there may be some initial acclimatization.
The humidity is constant, so clothing should be quick-drying.
With proper repellent, appropriate clothing, and common sense during critical times, the risk is low and the adventure remains incredible.

