Portola Campground to Sam MacDonald Ranger Station loop via Tarwater Trail

The most common starting point for this loop is Portola Redwoods State Park, where Portola Campground is located. You'll find parking available there. Keep in mind that this loop connects three parks, so ensure you start at a location that allows for a full day's hike or overnight stay if planned.

No, dogs are generally not allowed on the trails within Portola Redwoods State Park, Pescadero Creek County Park, or Sam McDonald County Park, which this loop traverses. It's always best to check the specific park regulations before you go.

Warmer months are often ideal for hiking this loop, as you're more likely to observe wildlife like deer and butterflies. However, the quiet atmosphere of the park complex makes it enjoyable year-round. Be prepared for potentially muddy conditions during the rainy season.

Yes, there is typically an entrance fee for Portola Redwoods State Park, where the loop often begins. If you plan to use the primitive Tarwater Trail Camp for an overnight stay, a permit is required. You can find more information on fees and permits on the California State Parks website: ca.gov.

The terrain is quite varied, moving between deep redwood forests and higher-elevation oak woodlands. You'll hike on a mix of single-track trails and fire roads. Some sections, like parts of the Shingle Mill Trail, were once dirt roads but are now more like single-track. Expect significant elevation changes throughout the loop.

This loop offers several unique sights. You'll pass through lush redwood groves, including the impressive 'Old Tree,' a gigantic coast redwood estimated to be around 1,200 years old. Keep an eye out for naturally occurring crude oil deposits in Tarwater Creek, which gives the creek its name. From higher points, especially in Sam McDonald Park, you might catch expansive views of the Butano and Skyline Ridges, and even the Pacific Ocean.

Yes, this extensive loop utilizes several trails within the interconnected park system. You'll hike sections of Towne Fire Road, East Brook Trail, Bravo Fire Road, Canyon Trail, Tarwater Trail, Pomponio Trail, and Iverson Trail, among others, as you traverse the three parks.

Absolutely! The area has a rich history. You can find remnants of an old dairy farm and an early shingle mill, offering a glimpse into the region's past logging and agricultural activities.

The park complex is known for its quiet atmosphere and abundant wildlife. You might spot deer, especially in the quieter sections, and numerous butterflies, particularly during warmer months. The diverse habitats support a variety of bird species as well.

Cell signal can be spotty or non-existent in many areas along this loop. It's wise to download offline maps and inform someone of your hiking plans before you head out.

This route features several interesting sections. You'll traverse parts of Iverson Trail, experience the beauty of Canyon Trail, and hike along Pomponio Trail, each offering unique scenery and challenges.