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Three Big Hike Participants walk across a grassy hill, carrying backpacks, with a green, forested hillside in the background.

Big Hike The Trossachs 2025

Take on Big Hike The Trossachs, 17 May 2025

The Big Hike experience

Two smiling Big Hike participants are walking forward, using poles, with another hiker in the background.

Image by Jody Kingzett

About Big Hike The Trossachs

Explore the beauty of The Trossachs National Park on this hiking adventure. Starting at Callander, you'll walk along forests, hills and lochs on a fully signposted route. Find more details about the route in the Event details below.

How long will it take?

Depending on your pace, we estimate the routes will take:

  • 10k (6 miles): 1.5 - 3 hours

  • Half marathon: 3.5 - 6 hours

  • Full marathon: 7 - 12 hours

Four excited Big Hike participants are posing with their arms up on a dirt path lined with trees.

Image by Patrick Harrison

What’s included in your entry fee

Navy blue tshirt.

Cancer Research UK t-shirt and medal

navy blue bucket.

Fundraising support

sports shoes, icons, running, shoes, trainers, walking.

Training support

Navy blue distance icon.

Fully signposted route

Navy blue icon representing two people.

Toilets and support points

Navy blue glass of soft drink.

Water refill point, meals and snacks

Meet Catherine

Catherine with medal.

When I read about Big Hike I knew this was the perfect challenge. The day was so poignant and yet brilliant too. Just to be out in breath-taking countryside surrounded by everyone who loved Adrian and June was incredible.

How your support makes a difference

Nearly 1 in 2 of us will get cancer in our lifetime

. Every pound you raise helps us say yes to more chances of diagnosis, preventing and providing kinder treatments to those living with cancer.

hand holding a knife.

£150

Could fund an international trial improving treatment for children and young people with acute myeloid leukaemia (AML) for one day.

nurse and patient.

£240

Could fund our team of nine cancer nurses and their amazing work with people affected by cancer for one hour.

An illustration of a researcher sat at a desk looking into a microscope.

£600

Could fund a lab technician for one week, bringing us closer to the next research breakthrough.

We're with you every big step of the way

Whether you're new to hiking or a regular walker, we'll support you from fundraising to the finish line.

Event details

Once you sign up for your Big Hike event, you'll receive a welcome pack with all the need-to-know details to help you feel fully prepared for the day.

Meeting point

The start and finish point is Claish Farm, Callander, Perthshire, FK17 8JJ. If using what3words enter punch.flame.buzzards in the free app to find the exact starting point.

Please head to the event site at least 45 minutes before your start time; we'll email you a reminder of your time as soon as you've signed up.

About the routes

All routes are fully signposted and our marshals and volunteers will be there to assist you along the way.

Full marathon route

This full marathon takes you past the Falls of Leny, along beautiful Lochs such as Lubnaig and Venachar and up into Strathyre Forest. The hike will follow a circular, anticlockwise route climbing ≈2,000 ft. It has three support points where you'll find hot drinks, a selection of snacks and fruit, water, medics, ample bench seating, music and toilets.

Maps: See the route map and elevation map(PNG, 126 KB).

Half marathon route

This half marathon hike takes you past the Falls of Leny, along the incredible Loch Lubnaig and up into Strathyre Forest. The hike will follow a circular, anticlockwise route climbing ≈1,100 ft. It has one support point where you'll find refreshments, snacks and toilets. It has one support point where you'll find hot drinks, a selection of snacks and fruit, water, medics, ample bench seating, music and toilets.

Maps: See the route map and elevation map(PNG, 130 KB).

10k route

This 10k hike takes you around Bochastle Hill, across the Eas Gobhain river, through Coilhallan Woods and into Callander. The hike will follow a circular, anticlockwise route climbing ≈550 ft.

Maps: See the route map and elevation map(PNG, 119 KB).

*Please note that the routes are subject to change.

Travel information

By car:

Free parking is available for all Big Hike participants at Claish Farm. You'll be able to park your car at the start venue for the duration of your Big Hike.

By public transport:

Bus: several bus lines stop at Callander. Visit McGill's and CityLink for bus timetables.

Facilities

Toilets

Toilet facilities will be available at the start and finish areas and at support points along the route.

Refreshments

Water refill points, hot drinks and snacks will be provided at the start area and at support points along the route.

Full marathon hikers will receive lunch at the second support point, followed by a hot meal at the finish area. Half marathon and 10k participants will receive a hot meal at the finish area.

Full marathon hikers lunch;

Sandwiches (selection of both white and malted wheat bloomer).

  • Tuna mayonnaise

  • Chicken mayonnaise

  • Honey roast ham & Scottish Cheddar

  • Scottish Cheddar & onion chutney (v)

  • Hummus, red pepper & crunchy salad (ve)

All hikers hot meal;

  • Classic Chilli con Carne with Mexican rice – tortillas chips / cheese / sour cream / salsa

  • Plant based Cottage Pie with carrots

Dietary requirements will be catered for on the day. We'll send you an email around one month before your event to ask for your dietary requirements - please complete this as soon as possible.

Accessibility

The start/finish venue is wheelchair friendly, but the course is not. If you're not taking part in Big Hike and wish to bring a carer with you, please ask you carer to call 0300 123 0770 and we can talk them through the process.

Dog

Dogs are not allowed, except for service dogs.

Parking

Free parking is available for all Big Hike participants at Claish Farm, Callander, Perthshire, FK17 8JJ

Bag drop

No bag drop is available

Visit our FAQ page

two women along a coastal line laughing.

Other Big Hike locations

Interested in hiking but can't make this location or date? Whether you're looking for coastal views or rolling hills, we have a Big Hike for you.  Discover our seven hikes taking place across the UK so you can find your perfect adventure.

A Big Hike volunteer giving a medal to a participant at the end of their hike.

Volunteer at Big Hike

From guiding our hikers on the route, to helping out at support points, there are lots of opportunities to get involved, while enjoying breathtaking views.

References

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