Lac De Tremelin
Brittany, France
Lac De Tremelin is a beach in Brittany, France, 3.22 km from Iffendic. It holds a Blue Flag award, which means the water quality, environmental standards, and visitor safety meet strict criteria set by the Foundation for Environmental Education.
Quick Overview
Plan Your Visit to Lac De Tremelin
The key facts before you go
About the Beach
What is Lac De Tremelin?
Lac De Tremelin is a beach in Brittany, France, 3.22 km from Iffendic. It holds a Blue Flag award, which means the water quality, environmental standards, and visitor safety meet strict criteria set by the Foundation for Environmental Education.
The best time to visit is April through June, when crowds are lighter. July and August are peak season and much busier. Before swimming, check local water safety conditions.
The beach welcomes visitors throughout the season and is a solid choice for families and swimmers looking for a clean, well-maintained lake beach.
It sits alongside Blue Flag beaches in Brittany, part of a broader network of Blue Flag certified beaches across France certified annually by the Foundation for Environmental Education.
Sunrise, Sunset & Beach Direction
Lac De Tremelin faces unknown toward Atlantic Ocean. The best light for photography and swimming is typically in April, May, June. The beach's orientation determines when it catches direct sun — plan your visit around this to make the most of your time there.
Planning
When to Go — Month by Month
| Month | Air Temp | Water Temp | Crowds |
|---|---|---|---|
| Jan | 6°C | 3°C | Low |
| Feb | 7°C | 4°C | Low |
| Mar | 8°C | 5°C | Low |
| Apr | 10°C | 7°C | Med |
| May | 14°C | 11°C | Med |
| Jun | 17°C | 14°C | Med |
| Jul | 19°C | 16°C | High |
| Aug | 19°C | 16°C | High |
| Sep | 16°C | 13°C | Med |
| Oct | 13°C | 10°C | Low |
| Nov | 9°C | 6°C | Low |
| Dec | 7°C | 4°C | Low |
The best time to visit Lac De Tremelin is April, May, June. Air temperatures peak around 18.7°C in summer. Peak water temperature reaches 15.7°C in July.
How crowded does Lac De Tremelin get?Like most Blue Flag beaches in France, Lac De Tremelin sees its highest visitor numbers in July and August. The beach maintains a pleasant atmosphere even in peak season.
Is Lac De Tremelin open year-round?The beach itself is accessible year-round, though staffed facilities including lifeguards typically operate only during the official season (typically July–September). The Blue Flag is displayed during the certification period only.
The Water
Swimming and Beach Life at Lac De Tremelin
Is Lac De Tremelin safe to swim?Lac De Tremelin is Blue Flag certified, which requires meeting strict bathing water standards set by the EU Bathing Water Directive. The beach does not have lifeguards stationed on the beach — swim with appropriate caution.
What is the water temperature at Lac De Tremelin?Peak water temperature at Lac De Tremelin reaches around <span class="inline-stat">15.7°C</span> in July, making it comfortable for swimming during the summer months. In winter (January), air temperatures average 5.9°C.
What is the beach like at Lac De Tremelin?Lac De Tremelin on the Brittany coast of France. The best time to visit is April through June, when crowds are lighter. July and August are peak season and much busier. Before swimming, check local water safety conditions.
Does Lac De Tremelin have good facilities?As a Blue Flag certified beach, Lac De Tremelin meets the Foundation for Environmental Education's standards for facilities and services. Toilet facilities are on site. Parking is available nearby.
Lac De Tremelin sits on the Atlantic Ocean — explore all Blue Flag beaches on the Atlantic.
Planning a trip to France? Blue Flag Beaches France — our editorial guide to certified beaches across the country.
Transport
Getting to Lac De Tremelin
How do I get to Lac De Tremelin by car?Lac De Tremelin is approximately 3.22 km from Iffendic. Follow local road signs to the beach. Check Google Maps or a local map for the most current directions.
What is the nearest airport to Lac De Tremelin?The nearest airport is Rennes-Saint-Jacques Airport (RNS) (RNS), approximately 22.2 km away.
Can I get to Lac De Tremelin by public transport?Public transport options vary by season. Check local transport authority websites for current bus and train schedules connecting to Iffendic.
Practical Details
Practical Information
| At the Beach | |
| Entry | Free — no charge to access the beach |
|---|---|
| Lifeguards | ✗ |
| Disabled Access | Contact local authority for details |
| Showers | ✗ |
| Toilets | ✓ Available during season |
| Beach Type | Coastal beach |
| Visiting Information | |
| GPS Coordinates | 48.1003°N, 2.0298°W |
| Blue Flag Operator | Foundation for Environmental Education (FEE) — France |
Frequently Asked Questions
Lac De Tremelin FAQ
Is Lac De Tremelin suitable for children?
Lac De Tremelin is a Blue Flag certified beach in Brittany, France. Blue Flag certification itself requires meeting strict environmental and safety standards that benefit all beach users.
Is Lac De Tremelin free to access?
Yes, access to Lac De Tremelin is free — there are no entry fees or charges to use the beach. Parking is available nearby; check local signs for any parking charges. Facilities including toilets are typically available during the official season at no charge. The beach is managed by local authorities under the Blue Flag programme.
When is the best time to visit Lac De Tremelin?
The best time to visit Lac De Tremelin is April, May, June. Water temperature peaks at around 15.7°C in July, which is ideal for swimming. Air temperatures reach 18.7°C in summer. If you prefer quieter conditions, visiting in June or September gives you warm weather with fewer crowds than the July–August peak. The Blue Flag is displayed during the certified season, confirming the beach meets all water quality and safety standards.
What is the water quality at Lac De Tremelin?
Lac De Tremelin is Blue Flag certified, which requires meeting strict annual water quality standards set by the EU Bathing Water Directive. Blue Flag certification is awarded by the Foundation for Environmental Education (FEE) and requires independent water quality monitoring throughout the season. The results are publicly available from the European Environment Agency.
How do I get to Lac De Tremelin?
Lac De Tremelin is located in Brittany, France. It is approximately 3.22 km from Iffendic. The nearest airport is Rennes-Saint-Jacques Airport (RNS) (RNS), 22.2 km away. Parking is available at or near the beach. Check local transport authority websites for current public transport schedules. A car is the most flexible option for reaching the beach, particularly outside peak season.
Explore More
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Editorial
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Everything you need to know about what makes a beach qualify for Blue Flag status — from water quality to environmental education.
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