BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Thames21 - ECPv6.15.17//NONSGML v1.0//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Thames21
X-ORIGINAL-URL:https://www.thames21.org.uk
X-WR-CALDESC:Events for Thames21
REFRESH-INTERVAL;VALUE=DURATION:PT1H
X-Robots-Tag:noindex
X-PUBLISHED-TTL:PT1H
BEGIN:VTIMEZONE
TZID:Europe/London
BEGIN:DAYLIGHT
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
TZNAME:BST
DTSTART:20250330T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
TZNAME:GMT
DTSTART:20251026T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
TZNAME:BST
DTSTART:20260329T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
TZNAME:GMT
DTSTART:20261025T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
TZNAME:BST
DTSTART:20270328T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
TZNAME:GMT
DTSTART:20271031T010000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;TZID=Europe/London:20260701T094500
DTEND;TZID=Europe/London:20260701T163000
DTSTAMP:20260610T140959
CREATED:20260610T100050Z
LAST-MODIFIED:20260610T100050Z
UID:10001316-1782899100-1782923400@www.thames21.org.uk
SUMMARY:Riverfly Training
DESCRIPTION:Thank you for your interest in becoming an Urban Riverfly Monitor! For more information about the Urban Riverly scheme\, which was developed by the Riverfly Partnership\, please click here. \n  \nDate: Wednesday 1st July 2026 \nVenue: Salisbury House \n\nAddress: Bury Street West\,London\, N9 9LA\nWhat3words: ///slug.deny.below\nGoogle Maps link: Salisbury House\n\nTimings: 09:45 – 16:30 (more detail below). Please note\, timings are slightly flexible so we may finish slightly earlier than 16:30 (any time between 16:00 and 16:30). \nStructure of the day: \n09:45 – Arrivals\, registration and refreshments \n10:00 = Intros\, health & safety and biosecurity \n10:30 = Introduction to Riverfly monitoring (RMI) \n10:50 = BREAK (tea/coffee) \n11:00 = Target groups – identification\, life history & ecology \n11:40 = BREAK (tea/coffee) \n11:50 = RMI fieldwork – theory \n12:15 = BREAK (lunch) \n12:45 = RMI fieldwork – practical session in the river \n15:00 = Clean equipment and kit \n15:45 = ID quiz (back inside the centre) \n15:50 = Online database and RMI in practice \n16:15 = Questions and feedback \n16:30 = Finish \nParking: If you are driving\, there is free on-street parking on Bury Street and some surrounding streets \nPractical session site: Bury Lodge Wetlands \n\nThis is a very short walk from Salisbury House\nGoogle Maps location: https://maps.app.goo.gl/1ytCbjobGiHRqavLA\n\nPlease register here.\nLunch: Please bring your own lunch with you. There will be time during the break to buy some from nearby shops and cafes if needed\, although these are limited. \nClothing: Please dress appropriately for the weather – if there is rain in the forecast\, bring a raincoat. Please wear long trousers and wear or bring a long-sleeved top/fleece/jumper to protect yourself from nettles or giant hogweed. Note that we will change into waders before approaching the river for the practical session. \nWaders: Please let me know what your shoe size is ASAP so I can make sure I bring enough waders to fit everyone. I won’t be able to let you keep these waders unfortunately – they will just be loaned to you for the training day. Also\, please let me know if you are going to bring your own waders. \nEquipment: Equipment for the RMI practical fieldwork will be provided on the day by Thames21 – we are able to give some kit on the day to people/groups who want to start monitoring regularly. This kit includes: a large net (approximately 1.5m tall so I would advise not cycling if you are the designated person in your group who is taking the net home)\, a 16 litre bucket\, a large white tray\, a nine-section divided tray\, a large pipette\, a couple of small pipettes\, a couple of plastic spoons\, a magnifying glass and a paintbrush. \nEmail Toby at toby.dighero@thames21.org.uk or call him on 07968 805751 if you have any questions.
URL:https://www.thames21.org.uk/event/riverfly-training/
LOCATION:Salisbury House\, Bury Street West\, N9 9LA
CATEGORIES:Citizen Science
ATTACH;FMTTYPE=image/jpeg:https://www.thames21.org.uk/wp-content/uploads/2026/06/riverfly-training-scaled-e1781085484425.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/London:20260714T100000
DTEND;TZID=Europe/London:20260714T140000
DTSTAMP:20260610T140959
CREATED:20260518T114713Z
LAST-MODIFIED:20260518T114713Z
UID:10001309-1784023200-1784037600@www.thames21.org.uk
SUMMARY:Dollis Brook Balsam Bash
DESCRIPTION:Bring the Dollis Brook back to life! \nJoin us this summer in removing invasive non-native species (INNS) and litter from the Dollis Brook\, supporting the recovery of native plants and boosting biodiversity along the riverbank. \nWhere to meet: \n\nOutside 21 Longland Drive\, N20 8HH https://maps.app.goo.gl/CZkUYcHK8W3oSubv6 (about 100m down from Totteridge Lane – look for light blue Thames 21 van)\nWhat 3 Words: hung.laptop.agree\nNearest tube: Totteridge and Whetstone\n\nWe’ll meet here\, as it’s easier and free to park. Once everyone has arrived\, we’ll walk upstream to the site. \nWhat to Bring: \nDress for the weather and the task – long trousers and sleeves are advisable as there are nettles and brambles. \nPlease bring a packed lunch and plenty of fluids. \nSun cream and a hat. \nWe will bring tea/coffee and biscuits. \nWe will provide all other equipment (including waders/wellies) needed for the event and we look forward to welcoming you! \nEmail charlie.southard@thames21.org.uk if you have any questions. \nAnyone under the age of 18 must be accompanied by a parent or guardian. Please make sure you have weather appropriate clothing for the day. \nPlease get in touch if you have any questions about accessibility. We will do our best to make this event as accessible as possible. \nPlease note: A reasonable level of physical fitness is required due to the nature of the event. While nothing too strenuous\, the event will include physical activity outdoors\, plus walking. \n  \nThis is an event designed for the community to engage the local public with the river and not for corporates. If you are interested in a bespoke corporate volunteer day. Please visit our website  https://www.thames21.org.uk/get-involved-2/corporateteamdays/
URL:https://www.thames21.org.uk/event/dollis-brook-balsam-bash-2/
LOCATION:Dollis Brook\, Whetstone Stray\, 21 Longland Drive\, Barnet\, N20 8HH\, United Kingdom
GEO:51.6293073;-0.1827953
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Dollis Brook Whetstone Stray 21 Longland Drive Barnet N20 8HH United Kingdom;X-APPLE-RADIUS=500;X-TITLE=21 Longland Drive:geo:-0.1827953,51.6293073
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/London:20260730T110000
DTEND;TZID=Europe/London:20260730T150000
DTSTAMP:20260610T140959
CREATED:20260331T081157Z
LAST-MODIFIED:20260331T081308Z
UID:10001263-1785409200-1785423600@www.thames21.org.uk
SUMMARY:River Action Day
DESCRIPTION:Join us for free our Action for Silk Stream monthly volunteering days. \nPlease book here: Action for Silk Stream River Action Day – Thames21 Limited \nWe will be in Barnet \nActivities include balsam bashing and  litter picking. \nBalsam is an invasive plant that we don’t want to see growing along our riverbanks. The best and easiest way to remove it is by pulling it out by hand. It’s easy to spot and easy to pull out. We guarantee that by the end of the day\, you will be an expert in this activity!! No previous experience necessary! \nWhere to meet: \nTBC but somewhere in Barnet! \nWhat3words: /// \nNearest tube: Burnt Oak (northern line) \nNearest toilets are at Burnt Oak library by the tube station or in Montrose Park (Brews and Views cafe) \nWhat to Bring: \nDress for the weather and the task – long trousers and sleeves are advisable as there are nettles and brambles. \nPlease bring a packed lunch and plenty of fluids. \nWe will bring tea/coffee and biscuits. \nWe will provide all other equipment (including wellies) needed for the event and we look forward to welcoming you! \nEmail helen.cardy@thames21.org.uk if you have any questions. \nAnyone under the age of 18 must be accompanied by a parent or guardian. Please make sure you have weather appropriate clothing for the day. \nPlease get in touch if you have any questions about accessibility. We will do our best to make this event as accessible as possible. \n  \nThis is an event designed for the community to engage the local public with the river and not for corporates. If you are interested in a bespoke corporate volunteer day. Please visit our website  https://www.thames21.org.uk/get-involved-2/corporateteamdays/
URL:https://www.thames21.org.uk/event/river-action-day/
CATEGORIES:Action for Silk Stream,SSFRI,Volunteer
ATTACH;FMTTYPE=image/jpeg:https://www.thames21.org.uk/wp-content/uploads/2026/03/Burnt-Oak-Brook.jpg
ORGANIZER;CN="Helen Cardy":MAILTO:helen.cardy@thames21.org.uk
END:VEVENT
END:VCALENDAR