Irish Hills Exploration

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04-16-2017 1:00 pm - 4:00 pm
Irish Hills Trailhead
Address: 1691 Madonna Rd, San Luis Obispo, CA 93405, USA

Sunday, April 16th, 1:00 p.m

Join us for a plant walk from the Madonna Road trailhead (southwestern terminus of Madonna Rd.) into the upper reaches of the Irish Hills Open Space.

The vast majority of soils in this area are derived from serpentine, which is a metamorphic rock, high in magnesium and iron, while low in calcium, phosphorus, and potassium. The excess magnesium in combination with low levels of calcium, phosphorus, and potassium create a stressful environment for plant growth, and therefore inhibit the growth of the vast majority of both native and introduced species. The unique assortment of plants that do grow in the Irish Hills and on other serpentine-based outcrops surrounding San Luis Obispo, make for an exceptional mixture, which we will see in bloom on this walk. A plant list will be provided.

The length is 5 miles, 700 ft. elevation gain, 3 hours. Be sure to bring water, food, sturdy shoes, sunscreen, a hat, and layered clothing, as needed.

Contact: Bill Waycott, (805) 459-2103, bill.waycott@gmail.com.

Rain cancels

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  • 02-24-2018 9:00 am - 02-24-2018 12:00 pm

    Saturday, February 24, 9:00 am, Lopez Lake Plant and Bird Walk

    Join Audubon, California Native Plants, and Sierra Club on a plant and bird walk. Expect to hike about 4 miles with a 200-foot elevation gain. We will be looking for waterfowl, which should be plentiful and visible along the trail, as well as an abundance of early spring flowers. A continuation hike to the top of the Duna Vista lookout is an option.  Directions: From Arroyo Grande, follow the signs towards Lopez Lake. After crossing the dam, but before entering Lopez Lake County Park, turn right on Hi Mountain Road and proceed 0.8 miles to the junction of Upper Lopez Canyon Road. Bear left on Canyon Road and proceed 3.6 miles to the old entrance of the Boy Scout Camp (now part of the County Park). Enter the gate, if open, if not park along the side of the road. Restrooms are available. No day use fees will be charged. Bring water and snacks, and dress in layers for changing weather. A hat, sunscreen, and sturdy shoes are recommended. For more information, call Bill at (805) 459-2103 or bill.waycott@gmail.com. Rain or the threat of rain cancels.