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X-WR-CALNAME:San Diego River Days 2026
X-ORIGINAL-URL:https://sdriverdays.org
X-WR-CALDESC:Events for San Diego River Days 2026
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DTSTART;TZID=America/Los_Angeles:20260510T080000
DTEND;TZID=America/Los_Angeles:20260510T130000
DTSTAMP:20260404T050616
CREATED:20260302T200822Z
LAST-MODIFIED:20260302T201432Z
UID:6942-1778400000-1778418000@sdriverdays.org
SUMMARY:Santa Ysabel Open Space Preserve East Wildflower Hike
DESCRIPTION:Presented by the San Diego River Park Foundation and County of San Diego Parks and Recreation \nJoin Senior Program Manager Natalie Borchardt and County Park Ranger Doug Andrews for a scenic hike as we explore the oak woodlands and native grasslands near the source of the San Diego River at Santa Ysabel East Open Space Preserve. \nOn this 8-mile out-and-back hike\, we will travel through oak woodlands\, native grasslands\, and vibrant fields of wildflowers. Along the way\, we will identify native wildflowers\, revel in their bright colors and fragrant smells\, and celebrate the beauty of spring together! \nThis hike is rated as moderate difficulty. \nREGISTER \nEvent Location: Santa Ysabel Open Space Preserve trailhead off Farmer Rd. \nAdditional Notes: \n\nFamily Friendly (all ages welcome)\, as long as all hikers are prepared for the distance.  Contact us with specific questions. \nClosed-toe shoes required\nSun protection (hat\, sunscreen\, sunglasses) recommended\nBring your own reusable water bottle\nBring your own snacks and lunch for a scenic picnic\nParticipating in this event will include walking on uneven terrain and/or some stooping and bending
URL:https://sdriverdays.org/activity/santa-ysabel-open-space-preserve-east-wildflower-hike/
LOCATION:Santa Ysabel East Open Space Preserve\, 500 Farmer Rd.\, Julian\, CA\, 92036\, United States
CATEGORIES:Hiking and Walking,Learning & Education,Nature,Recreation
ATTACH;FMTTYPE=image/png:https://sdriverdays.org/wp-content/uploads/2026/02/Wildflower-Hike.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260510T090000
DTEND;TZID=America/Los_Angeles:20260510T110000
DTSTAMP:20260404T050616
CREATED:20230504T010545Z
LAST-MODIFIED:20260219T212454Z
UID:4777-1778403600-1778410800@sdriverdays.org
SUMMARY:Free Fly Casting Lessons
DESCRIPTION:Presented by the San Diego Fly Fishers \nJoin the San Diego Fly Fishers (SDFF) for a free fly casting clinic at Lake Murray!  This event is designed for beginners\, but more experienced fly fishers are always welcome to come practice\, give tips\, and learn new techniques.  The clinic begins promptly at 9 am\, so please plan to arrive a little early so you won’t miss out on any fishy details in the beginning. You can use your own equipment or borrow club equipment from one of the certified instructors.  SDFF is very proud that it is one of the few clubs in the country that offers this service free to the general public. \nREGISTER HERE:\ninfo@sandiegoflyfishers.com\n \nEvent Location:\nLake Murray Park next to the launch ramp using Kiowa Street entrance \nThis event is family-friendly\, and young aspiring fly-fishers (8+) are encouraged to join. \nThis event is outdoors\, please plan appropriately. \nIf you have any questions please email Alan Thompson at athompson64@hotmail.com \n \n  \n  \n 
URL:https://sdriverdays.org/activity/fly_fish_19/
LOCATION:Lake Murray\, 5540 Kiowa Drive\, La Mesa\, 91942\, United States
CATEGORIES:Family-Friendly,Learning & Education,Recreation
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X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Lake Murray 5540 Kiowa Drive La Mesa 91942 United States;X-APPLE-RADIUS=500;X-TITLE=5540 Kiowa Drive:geo:-117.040742,32.785752
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260516T090000
DTEND;TZID=America/Los_Angeles:20260516T120000
DTSTAMP:20260404T050616
CREATED:20260302T202024Z
LAST-MODIFIED:20260316T163427Z
UID:6946-1778922000-1778932800@sdriverdays.org
SUMMARY:River Days - Hike With a Purpose: BioBlitz at Mildred Falls
DESCRIPTION:Discover the hidden beauty of Mildred Falls at our River Days BioBlitz!  Join us for a hands-on community science adventure as we explore this stunning preserve and document its incredible biodiversity. Using the iNaturalist app on our smartphones\, we’ll identify and record local flora and fauna\, contributing valuable data that supports countywide conservation strategies. \nThis is more than a peaceful escape into nature. The observations you collect help protect native species and strengthen local ecosystems for generations to come. \nCome explore\, learn\, and make a meaningful impact. We can’t wait to see you there! \nREGISTER \nParking Location: Google Maps Pin \nAdditional Parking Location: Google Maps Pin \nHere are a few tips to help you prepare for the event: \n\nPlease ensure you have a smartphone or camera for this event (at least one per group).\nBefore leaving home\, kindly download the iNaturalist app on your phone.\nFamiliarize yourself with our iNaturalist tutorial on YouTube: “Become a Citizen Scientist! How To Use iNaturalist.“\nJoin our iNaturalist project: “SDRPF – Mildred Falls” and “SDRPF – Eagle Peak Preserve”\nArrive 10 minutes early to facilitate timely check-in.\nConsider wearing protective clothing\, such as a hat and sunscreen\, to shield yourself from the sun. These are recommended for all our outdoor events.\nWe suggest opting for sturdy tennis or hiking shoes.\nTo minimize single-use plastics\, we encourage you to bring your own reusable water bottle with water.\nPlease arrive by 8:50 am for check-in. Please view these driving directions.\nWe’re excited to see you there and appreciate your support!\n\n 
URL:https://sdriverdays.org/activity/river-days-hike-with-a-purpose-bioblitz-at-mildred-falls/
LOCATION:Eagle Peak Ranch\, 5030 Eagle Peak Rd\, Julian\, CA\, 92036\, United States
CATEGORIES:Family-Friendly,Hiking and Walking,Learning & Education,Recreation
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260516T100000
DTEND;TZID=America/Los_Angeles:20260516T140000
DTSTAMP:20260404T050616
CREATED:20260203T214323Z
LAST-MODIFIED:20260203T215820Z
UID:6883-1778925600-1778940000@sdriverdays.org
SUMMARY:Santee Historical Society Craft Bazaar and Butterfly Garden at the Historic Santee Barn
DESCRIPTION:Presented by the Santee Historical Society \nThe Santee Historical Society will host an old-fashioned Craft Bazaar with a special focus on gardening\, with the Monarch Butterfly garden open for visitors featuring arts and craft events for the kids. The Santee Historic Barn and Monarch Garden are located at 9200 Magnolia Avenue (between Mission Gorge and Mast Boulevard)\, Santee\, CA 92071. \nAnd while you’re there\, you’re invited to take a tour of the Santee Historical Museum and discover more about Santee’s beginnings. \nThis is a public event. No RSVP required\, but we would still like to know if you plan to attend. \nEvent hosted by:
URL:https://sdriverdays.org/activity/santee-historical-society-spring-fling/
LOCATION:The Historic Santee Barn\, 9200 Magnolia Ave\, Santee\, CA\, 92071\, United States
CATEGORIES:Arts and Culture,Family-Friendly,Learning & Education
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260516T150000
DTEND;TZID=America/Los_Angeles:20260516T173000
DTSTAMP:20260404T050616
CREATED:20260219T201754Z
LAST-MODIFIED:20260401T153857Z
UID:6923-1778943600-1778952600@sdriverdays.org
SUMMARY:River Days and Nature Nights: Build a Big Brown Bat Buddy
DESCRIPTION:Join us for a creative\, hands-on workshop at the River Center at Grant Park. During this needle-felting workshop\, you’ll create your own felted bat to take home while learning fun facts about Big Brown Bats and their vital role in keeping our river ecosystem healthy. \nParticipants will also have the opportunity to take their new Bat Buddy on a guided Bat Walk\, where you’ll learn how bats support the health of the San Diego River and surrounding communities. A separate sign-up will be available for the evening Bat Walk to see and hear bats along the river. \nNeedle Felting Workshop (Ages 8+)This workshop is recommended for children who enjoy crafts\, can follow instructions\, stay engaged\, and have the patience to complete a structured project. \nSafety Notes: \n\nChildren under 12 must be accompanied by an adult.\nParticipants should be comfortable following instructions and working carefully.\nIf a child is unable to safely participate\, an adult may be asked to escort them out.\n\nCost:A $10+ donation toward supplies is greatly appreciated. \nREGISTER HERE:
URL:https://sdriverdays.org/activity/river-days-and-nature-nights-build-a-big-brown-bat-buddy/
LOCATION:Grant Park\, 2310 Camino Del Rio North\, San Diego\, CA\, 92108\, United States
CATEGORIES:Arts and Culture,Family-Friendly,Learning & Education
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260516T190000
DTEND;TZID=America/Los_Angeles:20260516T210000
DTSTAMP:20260404T050616
CREATED:20260225T210055Z
LAST-MODIFIED:20260331T154800Z
UID:6948-1778958000-1778965200@sdriverdays.org
SUMMARY:River Days and Nature Nights: Bat and Moth Event
DESCRIPTION:Please join us for an exciting evening adventure along the river as we listen and look for bats. During this guided walk\, we will learn about bat behavior and use bioacoustic equipment to monitor their echolocation calls. We will also set up a UV light to attract and observe moths and other nocturnal insects. \nREGISTER HERE \nAbout Our Presenters:\nDon Endicott is a retired Navy communications research engineer who now serves as a dedicated volunteer naturalist. He is a Certified Interpretive Guide and presents multimedia programs on bats and mountain lions at parks throughout San Diego County. Don volunteers with the San Diego Natural History Museum and Project Wildlife’s Bat Team\, contributes bat echolocation recordings for research\, and co-authored 50 Best Short Hikes San Diego (Wilderness Press\, 2018). He was named Anza-Borrego Desert State Park’s Volunteer Naturalist of the Year in 2018. \nHector Valtierra is an avid moth enthusiast who will be setting up a mothing station for the event. He is a microbiology and biology professor at San Diego community colleges\, as well as an active iNaturalist user and wildlife photographer. \nAdditional Notes:\n\nThis event fills up quickly\, and registration is required.\nPlease RSVP early.All ages are welcome.\nBring a flashlight or headlamp.\nWear long pants and closed-toed shoes.\nThe event will take place at the San Diego River Center at Grant Park
URL:https://sdriverdays.org/activity/river-days-and-nature-nights-bat-and-moth-event/
LOCATION:Grant Park\, 2310 Camino Del Rio North\, San Diego\, CA\, 92108\, United States
CATEGORIES:Family-Friendly,Hiking and Walking,Learning & Education
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260517T080000
DTEND;TZID=America/Los_Angeles:20260517T093000
DTSTAMP:20260404T050616
CREATED:20260219T201223Z
LAST-MODIFIED:20260401T153822Z
UID:6928-1779004800-1779010200@sdriverdays.org
SUMMARY:Bird Walk at Grant Park
DESCRIPTION:Join bird experts Cindy Pencek and Ian Swirka for a guided walk along the San Diego River to observe and count the diverse bird species that call this area home. This relaxing\, educational outing offers a chance to connect with nature while supporting conservation by recording observations on iNaturalist. \nParticipants will also have the opportunity to visit the River Studio at Grant Park\, an emerging nature education center and eco-park designed to serve more than 10\,000 students each year and inspire future environmental stewards. \nKids are welcome with adult supervision. We hope you can join us for this engaging community science experience! \nAfter the Bird Walk\, join Sky Hunters and their raptor animal ambassador for an engaging presentation on raptors on the Conrad Prebys Stage immediately following the bird walk. \nREGISTER HERE: \nParking:Please park in the Grant Park parking lot. Access is via the intersection with the stoplight across from iFLY Indoor Skydiving.
URL:https://sdriverdays.org/activity/bird-walk-at-grant-park/
LOCATION:Grant Park\, 2310 Camino Del Rio North\, San Diego\, CA\, 92108\, United States
CATEGORIES:Hiking and Walking,Learning & Education,Nature
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260517T100000
DTEND;TZID=America/Los_Angeles:20260517T110000
DTSTAMP:20260404T050616
CREATED:20260312T234048Z
LAST-MODIFIED:20260401T153601Z
UID:7001-1779012000-1779015600@sdriverdays.org
SUMMARY:Sky Hunters Event
DESCRIPTION:Join us after the morning Bird Walk for a special live raptor presentation with Sky Hunters. This engaging program offers a rare opportunity to see a rescued bird of prey up close while learning about raptor behavior\, conservation\, and wildlife rehabilitation. \nSky Hunters brings decades of experience working with birds of prey. Learn all about our native raptors\, diets\, lifespans\, what to do and not do if you find a sick injured or orphaned\, wild animal and the laws we have protecting all of our Wildlife.
URL:https://sdriverdays.org/activity/sky-hunters-event/
LOCATION:Grant Park\, 2310 Camino Del Rio North\, San Diego\, CA\, 92108\, United States
CATEGORIES:Learning & Education,Nature
ATTACH;FMTTYPE=image/png:https://sdriverdays.org/wp-content/uploads/2026/03/Nancy-Sky-Hunters.png
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260517T120000
DTEND;TZID=America/Los_Angeles:20260517T133000
DTSTAMP:20260404T050616
CREATED:20260312T233417Z
LAST-MODIFIED:20260401T153301Z
UID:6999-1779019200-1779024600@sdriverdays.org
SUMMARY:Mountain Lion 101
DESCRIPTION:Overview\nJoin Mountain Lion Foundation volunteer and mountain lion expert Robin Parks for an engaging presentation about mountain lions. This session provides a broad introduction to these remarkable animals\, offering insights across a range of topics. \nTopics Covered\n· Basic Recognition: Learn how to identify mountain lions in the wild. \n· Biology\, Behaviors\, and Capabilities: Discover key facts about the physical characteristics\, natural behaviors\, and abilities of mountain lions. \n· Stories of Encounters: Hear both humorous and poignant stories about interactions between people and mountain lions. \n· Myths and Misinformation: Explore common misconceptions about these cats and gain clarity on the facts. \n· Lion Safety: Understand the essential safety do’s and don’ts when in mountain lion territory. \n· Deterrents: Find out effective methods for deterring mountain lions from entering populated areas. \n· Current California Laws and Policies: Get up-to-date information on California laws and California Department of Fish and Wildlife policies regarding mountain lions.
URL:https://sdriverdays.org/activity/mountain-lion-101/
LOCATION:Grant Park\, 2310 Camino Del Rio North\, San Diego\, CA\, 92108\, United States
CATEGORIES:Family-Friendly,Learning & Education,Nature
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