BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//McDowell Sonoran Conservancy - ECPv6.15.20//NONSGML v1.0//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-ORIGINAL-URL:https://www.mcdowellsonoran.org
X-WR-CALDESC:Events for McDowell Sonoran Conservancy
REFRESH-INTERVAL;VALUE=DURATION:PT1H
X-Robots-Tag:noindex
X-PUBLISHED-TTL:PT1H
BEGIN:VTIMEZONE
TZID:America/Phoenix
BEGIN:STANDARD
TZOFFSETFROM:-0700
TZOFFSETTO:-0700
TZNAME:MST
DTSTART:20230101T000000
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BEGIN:VTIMEZONE
TZID:UTC
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TZOFFSETFROM:+0000
TZOFFSETTO:+0000
TZNAME:UTC
DTSTART:20230101T000000
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BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20260412T073000
DTEND;TZID=America/Phoenix:20260412T093000
DTSTAMP:20260507T192359
CREATED:20251223T174224Z
LAST-MODIFIED:20251223T174224Z
UID:10000841-1775979000-1775986200@www.mcdowellsonoran.org
SUMMARY:Bird Walk
DESCRIPTION:Bird Walk at Tom’s Thumb Trailhead. \nJoin our bird experts on this 2-hour walk for a good chance to see some of our year-round bird residents such as: cactus wren\, Gila woodpecker\, ladder-backed woodpecker\, Harris’s hawk\, verdin or Say’s phoebe – as well as some seasonal arrivals. \nRestrooms available at the trailhead\, but no water. Bring water and snacks for the trail. No dogs please. Bring your binoculars. Arrive 15 minutes before start of walk. \nSpace is limited! Please save your spot with the RSVP below.
URL:https://www.mcdowellsonoran.org/event/bird-walk-15/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Walk
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20260314T090000
DTEND;TZID=America/Phoenix:20260314T110000
DTSTAMP:20260507T192359
CREATED:20251223T184338Z
LAST-MODIFIED:20251223T184338Z
UID:10000852-1773478800-1773486000@www.mcdowellsonoran.org
SUMMARY:Wildflowers and Flora of the Desert - Educational Walk
DESCRIPTION:Flora in the Desert/Wildflowers Walk at Tom’s Thumb Trailhead. \nCome celebrate spring in the desert and experience the Preserve dressed in its most beautiful colors. Join our knowledgeable stewards on this 2 hour walk to discover the incredible variety of flowers in this area of the preserve. \nRestrooms are available at the trailhead but no water. Please bring water and snacks for the trail. No dogs please. Plan to arrive 15 minutes before start of walk. \nSpace is limited! Please save your spot with the RSVP below.
URL:https://www.mcdowellsonoran.org/event/wildflowers-and-flora-of-the-desert-educational-walk-2/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Walk
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20260314T080000
DTEND;TZID=America/Phoenix:20260314T113000
DTSTAMP:20260507T192359
CREATED:20251223T181640Z
LAST-MODIFIED:20260312T190205Z
UID:10000847-1773475200-1773487800@www.mcdowellsonoran.org
SUMMARY:Tom's Thumb Lookouts Hike
DESCRIPTION:Tom’s Thumb Lookouts Hike at Tom’s Thumb Trailhead. \nThis Very Difficult hike starts at the Tom Thumb Trailhead and travels 6.6 miles with a net elevation gain of around 1\,600 feet over 3 to 3½ hours. We will initially head up the Tom’s Thumb Trail to the TT9 location and have a great view of the west and south valley. We will head back up the trail and take the Lookout trail ½ mile to the Lookout at 3\,858 feet elevation and view the east valley. From there we will head up to Tom’s Thumb with its views in many directions. Due to the elevation gains\, this hike is suggested for Experienced hikers. \nRestrooms are available at the trailhead but no water. Bring plenty of water and snacks for the trail. Arrive at least 15 minutes before the start of the hike. \nSpace is limited! Please save your spot with the RSVP below.
URL:https://www.mcdowellsonoran.org/event/toms-thumb-lookouts-hike-3/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Wellness Hikes
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20260305T090000
DTEND;TZID=America/Phoenix:20260305T110000
DTSTAMP:20260507T192359
CREATED:20251223T183910Z
LAST-MODIFIED:20251223T183910Z
UID:10000851-1772701200-1772708400@www.mcdowellsonoran.org
SUMMARY:Wildflowers and Flora of the Desert - Educational Walk
DESCRIPTION:Flora in the Desert/Wildflowers Walk at Tom’s Thumb Trailhead. \nCome celebrate spring in the desert and experience the Preserve dressed in its most beautiful colors. Join our knowledgeable stewards on this 2 hour walk to discover the incredible variety of flowers in this area of the preserve. \nRestrooms are available at the trailhead but no water. Please bring water and snacks for the trail. No dogs please. Plan to arrive 15 minutes before start of walk. \nSpace is limited! Please save your spot with the RSVP below.
URL:https://www.mcdowellsonoran.org/event/wildflowers-and-flora-of-the-desert-educational-walk/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Walk
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20260228T100000
DTEND;TZID=America/Phoenix:20260228T120000
DTSTAMP:20260507T192359
CREATED:20251219T210807Z
LAST-MODIFIED:20251219T210807Z
UID:10000824-1772272800-1772280000@www.mcdowellsonoran.org
SUMMARY:Sonoran Desert 101 - Educational Walk
DESCRIPTION:Sonoran Desert 101 at Tom’s Thumb Trailhead. \nThis walk provides a geological and ecological overview of what lives in the McDowell Sonoran Preserve\, and how the flora and fauna survive and thrive. \nRestrooms and water are available at the trailhead. Please bring water and snacks for the trail. Plan to arrive 15 minutes before start of walk. \nSpace is limited! Please save your spot with the RSVP below.
URL:https://www.mcdowellsonoran.org/event/sonoran-desert-101-educational-walk-8/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Walk
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20260214T100000
DTEND;TZID=America/Phoenix:20260214T120000
DTSTAMP:20260507T192359
CREATED:20251219T223524Z
LAST-MODIFIED:20251219T223524Z
UID:10000826-1771063200-1771070400@www.mcdowellsonoran.org
SUMMARY:Geology of Tom's Thumb - Educational Walk
DESCRIPTION:Geology of Tom’s Thumb at Tom’s Thumb Trailhead.  \nEnjoy a 90-minute walk near the Tom’s Thumb trailhead to learn about the geology we see around us.  Geology basics will be discussed as well as the processes that shaped the McDowells and nearby mountain ranges. We will talk about mineralogy\, weathering processes and volcanism in Arizona as well as geology’s impact on the people\, plants and animals in the area. \nPlease arrive 15 minutes prior to start of the walk. Restrooms at the trailhead but no water. Please wear comfortable walking shoes and bring water and snacks for the trail. No dogs\, please. \nSpace is limited! Please save your spot with the RSVP below.
URL:https://www.mcdowellsonoran.org/event/geology-of-toms-thumb-educational-walk/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Walk
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20260203T090000
DTEND;TZID=America/Phoenix:20260203T113000
DTSTAMP:20260507T192359
CREATED:20251219T203305Z
LAST-MODIFIED:20251219T203305Z
UID:10000821-1770109200-1770118200@www.mcdowellsonoran.org
SUMMARY:Marcus Landslide and Feldspar Trails Hike
DESCRIPTION:Marcus Landslide\, Feldspar Trails at Tom’s Thumb Trailhead.  \nThis Moderate hike visits the giant boulders on the Feldspar trail and continues to the Marcus Landslide geological site\, second largest landslide in Arizona. The elevation gain is 400 ft. over 5 miles in about 2.5 hours. \nRestrooms available at the trailhead but no water.  Bring water and snacks for the trail.  No dogs please.  Arrive 15 minutes before start of hike. \nSpace is limited! Please save your spot with the RSVP below.
URL:https://www.mcdowellsonoran.org/event/marcus-landslide-and-feldspar-trails-hike/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Wellness Hikes
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20260123T100000
DTEND;TZID=America/Phoenix:20260123T130000
DTSTAMP:20260507T192359
CREATED:20251204T195326Z
LAST-MODIFIED:20251204T195326Z
UID:10000810-1769162400-1769173200@www.mcdowellsonoran.org
SUMMARY:Marcus Landslide - Educational Hike
DESCRIPTION:Marcus Landslide Educational Hike from Tom’s Thumb Trailhead. \nOpen your eyes to the Marcus Landslide geological site\, second largest landslide in Arizona. This Moderate educational hike will be about 4 miles in about 3 hours with 400 ft\, of elevation gain. \nBathrooms at the trailhead but no water. Bring water and snacks for the trail. Arrive 15 minutes before start of hike. No dogs please. \nSpace is limited! Please save your spot with the RSVP below.
URL:https://www.mcdowellsonoran.org/event/marcus-landslide-educational-hike-3/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Hike
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20260113T100000
DTEND;TZID=America/Phoenix:20260113T143000
DTSTAMP:20260507T192359
CREATED:20251203T234622Z
LAST-MODIFIED:20251203T234622Z
UID:10000801-1768298400-1768314600@www.mcdowellsonoran.org
SUMMARY:Tom’s Thumb\, East End\, Regional Park Hike
DESCRIPTION:Tom’s Thumb\, East End\, Regional Park from Tom’s Thumb Trailhead. \nThis very difficult hike from Tom’s Thumb trailhead explores the rugged and scenic views of the Preserve. We will go up Tom’s Thumb to East End and return via the McDowell Regional Park in 9.3 miles with over 1\,500 ft. elevation change in about 5 hours. \nBring a snack or light lunch and water for the trail. There are bathrooms at the trailhead but no water. No dogs please. Arrive 15 minutes before start of hike. \nSpace is limited! Please save your spot with the RSVP below.
URL:https://www.mcdowellsonoran.org/event/toms-thumb-east-end-regional-park-hike/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Wellness Hikes
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20260104T080000
DTEND;TZID=America/Phoenix:20260104T100000
DTSTAMP:20260507T192359
CREATED:20251203T191156Z
LAST-MODIFIED:20251203T191156Z
UID:10000787-1767513600-1767520800@www.mcdowellsonoran.org
SUMMARY:Bird Walk
DESCRIPTION:Bird Walk at Tom’s Thumb Trailhead. \nJoin our bird experts on this 2-hour walk for a good chance to see some of our year-round bird residents such as: cactus wren\, Gila woodpecker\, ladder-backed woodpecker\, Harris’s hawk\, verdin or Say’s phoebe – as well as some seasonal arrivals. \nRestrooms available at the trailhead\, but no water. Bring water and snacks for the trail. No dogs please. Bring your binoculars. Arrive 15 minutes before start of walk. \nSpace is limited! Please save your spot with the RSVP below.
URL:https://www.mcdowellsonoran.org/event/bird-walk-12/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Walk
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20251213T090000
DTEND;TZID=America/Phoenix:20251213T123000
DTSTAMP:20260507T192359
CREATED:20251017T191146Z
LAST-MODIFIED:20251017T191219Z
UID:10000760-1765616400-1765629000@www.mcdowellsonoran.org
SUMMARY:Tom's Thumb Lookouts Hike
DESCRIPTION:Tom’s Thumb Lookouts Hike at Tom’s Thumb Trailhead. \nThis Very Difficult hike starts at the Tom Thumb Trailhead and travels 6.6 miles with a net elevation gain of around 1\,600 feet over 3 to 3½ hours. We will initially head up the Tom’s Thumb Trail to the TT9 location and have a great view of the west and south valley. We will head back up the trail and take the Lookout trail ½ mile to the Lookout at 3\,858 feet elevation and view the east valley. From there we will head up to Tom’s Thumb with its views in many directions. Due to the elevation gains\, this hike is suggested for Experienced hikers. \nRestrooms are available at the trailhead but no water. Bring plenty of water and snacks for the trail. Arrive at least 15 minutes before the start of the hike. \nSpace is limited! Please save your spot with the RSVP below.
URL:https://www.mcdowellsonoran.org/event/toms-thumb-lookouts-hike-2/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Wellness Hikes
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20251206T090000
DTEND;TZID=America/Phoenix:20251206T110000
DTSTAMP:20260507T192359
CREATED:20251017T180900Z
LAST-MODIFIED:20251017T180921Z
UID:10000752-1765011600-1765018800@www.mcdowellsonoran.org
SUMMARY:Sonoran Desert 101 - Educational Walk
DESCRIPTION:Sonoran Desert 101 at Tom’s Thumb Trailhead. \nThis walk provides a geological and ecological overview of what lives in the McDowell Sonoran Preserve\, and how the flora and fauna survive and thrive. \nRestrooms and water are available at the trailhead. Please bring water and snacks for the trail. Plan to arrive 15 minutes before start of walk. \nSpace is limited! Please save your spot with the RSVP below.
URL:https://www.mcdowellsonoran.org/event/sonoran-desert-101-educational-walk-4/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Walk
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20250413T080000
DTEND;TZID=America/Phoenix:20250413T100000
DTSTAMP:20260507T192359
CREATED:20250206T231713Z
LAST-MODIFIED:20250206T231713Z
UID:10000671-1744531200-1744538400@www.mcdowellsonoran.org
SUMMARY:Bird Walk
DESCRIPTION:
URL:https://www.mcdowellsonoran.org/event/bird-walk-10/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Walk
ORGANIZER;CN="McDowell Sonoran Conservancy":MAILTO:info@mcdowellsonoran.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20250328T080000
DTEND;TZID=America/Phoenix:20250328T103000
DTSTAMP:20260507T192359
CREATED:20250207T171407Z
LAST-MODIFIED:20250207T171407Z
UID:10000686-1743148800-1743157800@www.mcdowellsonoran.org
SUMMARY:Tom's Thumb Hike
DESCRIPTION:Very Difficult hike has a steep trail with amazing rock formations. Experienced hikers suggested. 4.4 miles with a 1\,027 ft. elevation gain over about 2.5 hours.
URL:https://www.mcdowellsonoran.org/event/toms-thumb-hike/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Wellness Hikes
ORGANIZER;CN="McDowell Sonoran Conservancy":MAILTO:info@mcdowellsonoran.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20250325T080000
DTEND;TZID=America/Phoenix:20250325T113000
DTSTAMP:20260507T192359
CREATED:20250114T220103Z
LAST-MODIFIED:20250114T220103Z
UID:10000661-1742889600-1742902200@www.mcdowellsonoran.org
SUMMARY:Wildflower Educational Hike
DESCRIPTION:
URL:https://www.mcdowellsonoran.org/event/wildflower-educational-hike-4/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Hike
ORGANIZER;CN="McDowell Sonoran Conservancy":MAILTO:info@mcdowellsonoran.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20250323T100000
DTEND;TZID=UTC:20250323T120000
DTSTAMP:20260507T192359
CREATED:20250114T215754Z
LAST-MODIFIED:20250114T215754Z
UID:10000659-1742724000-1742731200@www.mcdowellsonoran.org
SUMMARY:Wildflower Walk
DESCRIPTION:
URL:https://www.mcdowellsonoran.org/event/wildflower-walk-3/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Walk
ORGANIZER;CN="McDowell Sonoran Conservancy":MAILTO:info@mcdowellsonoran.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20250312T080000
DTEND;TZID=America/Phoenix:20250312T110000
DTSTAMP:20260507T192359
CREATED:20250206T232558Z
LAST-MODIFIED:20250206T232558Z
UID:10000672-1741766400-1741777200@www.mcdowellsonoran.org
SUMMARY:Tom's Thumb Lookouts Hike
DESCRIPTION:Very Difficult hike starts at the Tom Thumb Trailhead and travels 6.6 miles with a net elevation gain of around 1\,600 feet over 3 to 3½ hours.
URL:https://www.mcdowellsonoran.org/event/toms-thumb-lookouts-hike/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Wellness Hikes
ORGANIZER;CN="McDowell Sonoran Conservancy":MAILTO:info@mcdowellsonoran.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20250228T090000
DTEND;TZID=America/Phoenix:20250228T120000
DTSTAMP:20260507T192359
CREATED:20250114T202512Z
LAST-MODIFIED:20250114T202512Z
UID:10000656-1740733200-1740744000@www.mcdowellsonoran.org
SUMMARY:Marcus Landslide Educational Hike
DESCRIPTION:
URL:https://www.mcdowellsonoran.org/event/marcus-landslide-educational-hike-2/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Hike
ORGANIZER;CN="McDowell Sonoran Conservancy":MAILTO:info@mcdowellsonoran.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20241212T090000
DTEND;TZID=UTC:20241212T110000
DTSTAMP:20260507T192359
CREATED:20241107T210043Z
LAST-MODIFIED:20241107T211559Z
UID:10000599-1733994000-1734001200@www.mcdowellsonoran.org
SUMMARY:Desert Walkabout - Educational Walk
DESCRIPTION:
URL:https://www.mcdowellsonoran.org/event/desert-walkabout-educational-walk/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Walk
ORGANIZER;CN="McDowell Sonoran Conservancy":MAILTO:info@mcdowellsonoran.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20241206T090000
DTEND;TZID=America/Phoenix:20241206T133000
DTSTAMP:20260507T192359
CREATED:20241031T053427Z
LAST-MODIFIED:20241114T215024Z
UID:10000579-1733475600-1733491800@www.mcdowellsonoran.org
SUMMARY:Tom's Thumb - East End Long Loop Hike
DESCRIPTION:Very difficult Hike. 9.3 miles with 1\,500 ft. elevation change in about 5 hours.
URL:https://www.mcdowellsonoran.org/event/toms-thumb-east-end-long-loop-hike/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Wellness Hikes
ORGANIZER;CN="McDowell Sonoran Conservancy":MAILTO:info@mcdowellsonoran.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20241031T090000
DTEND;TZID=America/Phoenix:20241031T113000
DTSTAMP:20260507T192359
CREATED:20240910T052203Z
LAST-MODIFIED:20241025T063147Z
UID:10000539-1730365200-1730374200@www.mcdowellsonoran.org
SUMMARY:Marcus Landslide Hike
DESCRIPTION:
URL:https://www.mcdowellsonoran.org/event/marcus-landslide-hike-at-toms-thumb-trailhead/
LOCATION:Tom’s Thumb Trailhead\, 23015 N 128th St.\, Scottsdale\, AZ\, 85255\, United States
CATEGORIES:Educational Hike
ORGANIZER;CN="McDowell Sonoran Conservancy":MAILTO:info@mcdowellsonoran.org
END:VEVENT
END:VCALENDAR