Green Heritage Challenge

Part of the Mayor of London's National Park City Festival

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What is the Green Heritage Challenge?

Find it! Photo it! Share it!

The Green Heritage Challenge is part of the Mayor of London's National Park City Festival. Come and discover London's amazing outdoors with free events across the city from 20 to 28 July.

Accepting our challenge will lead you on a rich and intriguing journey through some of London’s parks and gardens to discover facts, artefacts, sculptures, ancient trees, interesting moments in time, captivating characters and much more.

Our challenge is your licence to explore some very special places. Solving each clue reveals secrets, unlocks knowledge and redefines understanding of locations, structures or history. Take a photo of what you believe is the answer to each clue and post it on Instagram. This gentle activity is suitable for people of all ages and abilities.

All you have to do is watch this space on 20 July for the clues. Take them with you to find the answers in the parks you choose, then simply find it, photo it and post it!

Use our handle @LDNGardenstTrust followed by our hashtag #GHChallenge2019.

We will then judge the photos and select winners under different categories.

Take some photos!

The more photos, the better. This is a pilot project and, if popular, we would like to make it an annual event across London’s wonderful greenspaces, sharing and enjoying their rich history and stories.

We are looking for images of the heritage features you find, the activities you have been doing while looking for clues and the people who have helped you solve the clues. Images can be fun, quirky, beautiful or poetic. Be careful when taking selfies! The competition is open to members and non-members, and you can enter as many images as you’d like.

Winners will be announced on 11 September 2019. Prizes include double tickets to Open Garden Squares Weekend 2020; an A3 mounted print of your entry; membership of the London Parks & Gardens Trust. Your picture will be published in the next issue of our Members’ magazine London Landscapes, and on our website.

How to take part

Adults - download a clue sheet or use the online form or our website to follow and find clues.  Then post your findings on Instagram using @LDNgardenstrust #GHChallenge2019

Children - with the help of adults, follow trails and take pictures of what you find and get an adult to send it to us via social media or post.

Submit by uploading to Instagram. Include our handle @LDNgardenstrust followed by the hashtag #GHChallenge2019. Alternatively, post a copy to London Parks & Gardens Trust, Green Heritage Challenge, Duck Island Cottage, St James’s Park, London SW1A 2BJ

Don’t worry about format or image size at this stage: we may ask for higher resolution versions of shortlisted entries if necessary to achieve the desired print reproduction quality.

You can read more about the London Parks & Gardens Trust on our webpage.

Get set!

National Park Festival week starts 20 July.


Clue sheets will be released at the beginning of that week as follows:

Adult clue sheets

Websites that will help you find out more about each place:

Children's Trails

Terms & Conditions

  1. The competition entrant takes responsibility for their ownership of the image entered, permissions from people who are recognisably depicted in photos (with parental consent for children) and warrants that the image is their own work.
  2. By entering the competition, you agree that the London Parks & Gardens Trust can use the image entered on London Parks & Gardens Trust printed and digital media - including social media channels. The Trust will credit you as the photographer and you will retain copyright of your image.
  3. Entries for the competition must be received by 23:59 on Sunday 5 August
  4. Entry is not restricted to London Parks & Gardens Trust members.
  5. You may enter as many images as you wish.
  6. Entry is free.
  7. Images can be submitted:
    • by Instagram, including our handle @LDNgardenstrust and the hashtag #GHChallenge2019 or
    • by post to London Parks and Gardens Trust, Green Heritage Challenge, Duck Island Cottage, St James’s Park, London SW1A 2BJ.
    Please do not post us originals!
  8. The competition will be judged by a panel drawn from the London Parks & Gardens Trust committee, media experts and professional photographers, who will choose the winners.                           
  9. The judges’ decision is final and no correspondence will be entered into.
  10. The prizes for the three winners will be double tickets to Open Garden Squares Weekend 2020; one year's membership of the London Parks & Gardens Trust; a mounted A3 print of your entry.
  11. London Park & Gardens Trust reserves the right to cancel, postpone or amend the competition at any time.
Victoria Tower Gardens
Victoria Tower Gardens, one of the places for which there will be clues
Photo: Sally Prothero
Queen Elizabeth Olympic Park
Queen Elizabeth Olympic Park
(Photo: Queen Elizabeth Olympic Park)


Stephens House
Stephens House
(Photo: Sally Williams)