Simpson-Reed Discovery Trail

Jedediah Smith Redwoods California State Park
Located 5.7 miles from Crescent City, California (CA)
4 Stars
1,339 Steps 1  (0.6 mi)

One of the most popular trails within the Jedediah Smith State Park is the Simpson-Reed Discovery Trail, located directly off highway 199 on Walker Road. Much of this dense rainforest loop trail is covered with giant Redwoods as well as Hemlock and Maple trees covered in moss and lichen. Many of the giant Redwoods that have fallen over time lie undisturbed along the damp ground, slowly decaying in pools of water while providing habitat for the many amphibians that live here.

Simpson Reed Discovery Trail


The Simpson-Reed Discovery Trail has a maximum elevation of 109 ft (33 m), a minimum elevation of 36 ft (11 m), and an elevation range of 73 ft (22 m).


[ A to B ] or [ B to A ]
Steps 1Length 2Min Ele 3Max Ele 4
1,3390.6 mi36 ft109 ft
[ A to B ]
Time 5Floors 6Gain 7Loss 8
15 min5.870 ft73 ft
[ B to A ]
16 min6.173 ft70 ft

What is the length of the Simpson-Reed Discovery Trail?

The length of the trail is 0.6 mi (1.0 km) or 1,339 steps.

How long does it take to hike the Simpson-Reed Discovery Trail?

A person in good physical health can hike the trail in 15 min in the [ A to B ] direction, and in 16 min in the [ B to A ] direction.


The following chart shows the total calories that you may expend on the trail while hiking in the [ A to B ] and [ B to A ] direction at a typical speed and is based on gross weight (which includes anything carried), the topography, trail length and trail conditions.

Topo Maps

Download the free Simpson-Reed Discovery Trail topo map and the adjoining quads to plan your hike. These are full-sheet, 7.5 Minute (1:24,000 scale) Jedediah Smith Redwoods California State Park topographic maps. Do you want full-sheet outdoor recreation JPEG Topo Maps?

Adjoining 7.5' Quadrangle Legend

  1. Northwest Topo Map: Smith River, CA
  2. North Topo Map: High Divide, CA
  3. Northeast Topo Map: High Plateau Mountain, CA
  4. West Topo Map: Crescent City, CA
  5. Topo Map: Hiouchi, CA
  6. East Topo Map: Gasquet, CA
  7. Southwest Topo Map: Sister Rocks, CA
  8. South Topo Map: Childs Hill, CA
  9. Southeast Topo Map: Canthook Mountain, CA

Is there a Simpson-Reed Discovery trail map?

Yes, and it's free! The Simpson-Reed Discovery Trail is located on the Hiouchi topo map. Use the adjoining quadrangle legend to download the map.



  1. Steps is a unit of distance equal to the sum of stride lengths that vary with the terrain.
  2. Length is the distance of the trail between the two trailheads, measured on the trail.
  3. Min Ele is the minimum elevation on the trail.
  4. Max Ele is the maximum elevation on the trail.
  5. Time is the typical total time required to hike the trail.
  6. Floors is the gain divided by twelve, the height of one floor.
  7. Gain (cumulative elevation gain) is the sum of every gain in elevation.
  8. Loss (cumulative elevation loss) is the sum of every loss in elevation.