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Drift Creek Falls EarthCache

Hidden : 11/1/2010
Difficulty:
2 out of 5
Terrain:
3 out of 5

Size: Size:   not chosen (not chosen)

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Geocache Description:


Drift Creek Falls before August 2010

Drift Creek Falls, before 2010

Nestled in the Siuslaw National Forest is one of the many gems of the Oregon waterfall system. Drift Creek Falls is a 75’ waterfall at the end of a mile and a half easy to moderate trail that meanders through old growth forest, down to a 240’ suspension bridge that spans 100’ above Drift Creek. The trail is open year round but can get quite muddy when the rains come.

(NOTE: When we hiked the trail 10/29/10, the south loop to the falls was closed for trail maintenance and we had to detour on to the north loop. This added at least another half mile to the trip down and back.)

Please remember to STAY ON THE TRAIL and CARRY WATER WITH YOU. DON’T DRINK THE WATER FROM THE CREEK!

Since this is a National Forest Service site, there is a day fee for vehicle parking and day use. The cost is $5 and permits are available on site. Northwest Forest, America the Beautiful and Senior Lifetime Passes are all acceptable.

Drift Creek Falls on August 2010

Drift Creek Falls, 10/30/2010

Drift Creek Falls, 10/30/2010

In August 2010, there was a major rock slide that completely changed the cliff face and looks of the falls. At the base of the falls, you will see a very large rock and a number of smaller ones that broke off and fell into the creek bed. Clearly, major geologic forces are at work, weathering this cliff face and causing rocks to periodically break away. Furthermore, something has allowed not just small rocks to crumble away, but an immense intact slab of solid basalt. To get credit for this Earthcache, you must complete the following:

1. In an email to us, briefly explain why you think these large rocks would have broken away from the cliff face. Do not include this explanation in your posted log. Hint: Observe the pattern of rocks remaining on the cliff wall and compare them to the chunks of rock that have fallen previously.

2. In your e-mail, estimate the size of the largest intact rock at the bottom of the falls. Given a typical density of basalt rock of 3.0 grams per cubic centimeter, or 187 pounds per cubic foot, how much do you think this rock weighs?

3. Optional: Include a picture of yourself or a member of your party with the falls, the rock, or the suspension bridge in the picture.

Caution: If you choose to go down to the creek, please use the path and don’t try to get there by blazing your own trail down. You also need to be cautious of falling rocks.

How to get there: Hwy 101 entry – Off Highway 101 south of Lincoln City, north of Salishan.
Travel east on Drift Creek Road, right on South Drift Creek Road ¼ mile. Turn left onto Forest Service Road 17. Stay on Forest Service Road 17 to trailhead, approximately, 10 miles.
Hwy 18 entry – From near Rose Lodge, travel south on Bear Creek County Road 3.5 miles. Continue straight 7 miles on Forest Service Road 17 to trailhead.

Follow the signs to Drift Creek Falls on both sets of directions.

Additional Hints (Decrypt)

gvalhey.pbz/45ik8mh gvalhey.pbz/4snyr5e

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)