Essex Outdoors Mersea Adventure Activity Residential School Trips is situated on the charming Island of Mersea, on the edge of the river Blackwater. With more than 20 exciting outdoor activities from bushcraft through to zipwire, aerial trekking and kayaking, there is always something new your students can experience. Its purpose-built accommodation has been created to provide an excellent day out for your school groups of up to 520 children.
East of England
Essex Outdoors Mersea, Rewsalls Lane, Colchester CO5 8SX
MONTHS OPEN
DAYS OPEN
AGE GROUPs
SEN
Listed under: accommodation| Accommodation & Residential| Archery| Camping and Glamping| Citizenship| Climbing,High Ropes & Zipwires| Curriculum Subject / Activity Type| Cycling & Mountain Biking| Duke of Edinburgh Award| Ecology & Green Awareness| Enrichment Learning| Environmental Studies| Field Studies| Geography| Geology| History| Mathematics| Outdoor Education| Outdoor Residential Centres| PE (Physical Education/Sport)| Personal Development-Mentoring| PSHE| Residential School Trips| Safety Awareness| SEND Residential School Trip| Social Skills| Special Educational Needs (SEN)| Team Building| Water Sports|
What does your residential centre offer for school trips
Essex Outdoors Mersea Adventure Activity Residential School Trips is our largest centre, that sits on 60 acres of Mersea Island, near Colchester. Kayaking, obstacle courses and paddleboarding are among 20+ adventurous activities, led by qualified instructors. Build teamwork, confidence and resilience with outcomes mapped to your curriculum aims.
For residentials, choose from our residential centre, Colne or Blackwater cabins or a mixture of cabins for staff and tents for the students depending on budget and what suits your group.
Essex Outdoors Mersea’s coastal location make it an ideal escape for residential and day visits. Our magical island setting is close to Colchester and just 90 minutes from London.
What makes you a great group accommodation choice for a school trip or educational visit
Some of the most important things a student learns at school happen away from the classroom.
Your students will take part in activities led by qualified instructors, from kayaking and archery to paddleboarding and land-based challenges. It’s hands-on from the moment you arrive.
85% of schools return. We know that teachers value Essex Outdoors as students leave more confident and more willing to have a go. You’ll leave with a clear sense of what the visit has achieved.
On site / off site activities
- Adventure and obstacle courses
- Aerial adventure
- Archery
- Bushcraft
- Caving
- Climbing
- Coastal discovery
- Giant swing
- High ropes
- It’s a knockout
- Kayaking
- Kit karts
- Low ropes
- Off road biking
- Orienteering and map skills
- Pedal karts
- Pioneering
- Shipwrecked
- Stand up paddle boarding (SUP)
- Swimming
- Team challenge and problem solving
- Vertical obstacle course
- Zip wire
- Disco
- Big screen cinema
Revision breaks
Mersea pairs outdoor challenge with on-site classroom space, an established offer schools already build into their term calendar for study breaks. Students get a genuine physical reset through archery, adventure courses or zip wire and then bring that energy back indoors for structured learning. Recharge and refocus without losing that valuable teaching time.
Field studies
Mersea’s estuary setting turns coastal discovery into hands-on field study. Students explore tidal habitats, examine marine life and investigate how the Blackwater’s ecosystem changes with the tide. Surrounding marshes and beaches make the ideal environment for shore-based studies and there is access by boat to local creeks and areas of special scientific interest. Led by qualified instructors, it brings your curriculum to life on an Essex shoreline.
Team building
We deliver team building through real physical challenge. Groups tackle problem-solving activities, low ropes, team challenges and obstacle courses led by qualified instructors, encouraging genuine communication and shared decision-making under the right amount of pressure. This works for student groups as well as staff away days.
Awards, accreditations
Our centres are inspected and approved by the Adventurous Activities Licensing Authority (AALA) and hold the Learning outside the classroom (LOtC) Quality Badge, ensuring we maintain the highest standards of safety and delivery in the industry.
Group sizes catered for
Up to 400 for activities. Up to 520 residential.
Room types, sizes
Indoor accommodation for 216, split across cabin and dormitory accommodation. Additional tented accommodation for 300 available.
Risk assessment
Detailed risk assessments for activities are available upon request to support your planning.
Photography, Filming & Audio Restrictions
Photography and filming of your own group is permitted.
Booking details
Pricing
Pricing varies according to the type of visit with free places for supervising adults available. Please get in touch for full details.
First Aid
All our activity instructors are first aid trained and will assist you in the event of any emergency.
Available facilities
We have a conference room which comfortably accommodates a class of up to 30.
Room features:
- Large TV screens for presentations
- Tea and coffee making facilities
- Customisable layouts for meetings and training
- Separate toileting facilities
We are also able to offer further teaching spaces for revision residentials, with up to 4 separate areas available. We can also offer a large hall area with a capacity of around 200 for team away days or whole group collaboration.
Catering options
From simple packed lunches and warming evening meals for our group bookings, through to delicious buffets or sit-down banquets for events, our dedicated catering team can provide high quality, affordable meals to suit any visit to us.
For group bookings, breakfast, lunch and dinner is served in the main dining room. We are also able to provide packed lunches and an evening barbeque in your village area, if booked prior to arrival.
We are happy to cater for many dietary requirements as specified by culture, religion and medical concerns.
Accessibility & Disabled Facilities
Making sure every student can take part is something we take seriously. Our staff carry disability awareness training from the Calvert Trust, so they’re equipped to adapt an activity on the day rather than simply offering a stripped-back version of it.
Our buildings and accommodation are accessible, and we have specialist equipment including hoists, adapted wet rooms, all-terrain wheelchairs, and adapted bikes, so the practical side is covered too.
Opening times
Monday – Friday – 9am – 5pm
Testimonials
“The team at Mersea are polite and supportive. They know when to continue to encourage children and when the child has reached their limit. This experience is excellent for building confidence and independence.”
Location information
Essex Outdoors Mersea’s coastal location make it an ideal escape for residential and day visits. Our magical island setting is close to Colchester and just 90 minutes from London.
Further information
We’re Essex Outdoors, part of Essex County Council, running four residential and activity centres across the county at Bradwell, Danbury, Harlow, and Mersea. We’ve been giving young people the chance to try adventurous activities in the outdoors for over 50 years.




