SEGMENT EXTENTS
Metropolitan Heights Rd, North of Rio Dell to
Riverwalk Dr, Fortuna
COUNTY
Humboldt County
LENGTH
5.0 Miles
Planned: 0.0 Miles
Existing: 0.0 Miles
TRAIL TYPE
Paved Multi-use Trail
PRIORITIZATION
Tier 2
ALTON
Segment 30
#
ENVIRONMENTAL
Water
TRAIL TYPES
TRAIL AMENITIES*
Paved Trail
Crushed Stone Trail
Backcountry Trail
Loop, non-GRT
Parallel Route
Roadway Crossings**
Infrastructure Conditions***
INFRASTRUCTURE
Crossing, Minor Public
Crossing, Private
Underpass
Geomorphic, Major
Bridge
Bridge, Damaged
HUMBOLDT
LAKE
MENDOCINO
SONOMA
TRINITY
Trailheads
Community Gateway
Community Trailhead
Community Access Point
Trail-Oriented
Development
Campground
Parks / Rest Areas
Potential Opportunity Sites
BOUNDARIES
OWNERSHIP
City/Town/Place
Parks & Public Lands
GRTA
State
Federal
Tribal
Local
*All amenities are potential opportunities for
planning purposes only unless otherwise
indicated as existing.
**Private crossings may or may not be licensed.
***Conditions reflect best available data as of
2023. It is understood that conditions are
rapidly changing based on 2020 report data.
Select points have been updated based on
new information.
TRAIL STATUS
Existing
Planned
SEGMENT DETAILS
Segment Breakpoint
Design Concept
GRT Milepost
Individual trail design and construction projects might be comprised of an entire Master Plan segment,
multiple segments, or portions of segments depending
on a variety of factors including but not limited to staff and partner agency capacity, funding, permitting, and
additional engineering analysis.
108 Trail Alignment & Design Concepts
B ul e Slide Rd
Blue Slide Rd
Ronald Ave
Ross Hill Rd
A St
Northwestern Ave
Northwestern Ave
Rohnerville Rd
dR elli vr enhoR
School St
Metropo litan Rd
Kenmar Rd
Drake Hill Rd
Demello Rd
Main St
State Route 36
State Ro ute 36
Redwood Hwy
Grizzly Blu Rd
S Fortuna Blvd
Redwood Hwy
Redwood Hwy
Riverbar Rd
Victoria Ln
OPPORTUNITY
Opportunity for loop trail to
connect via the Fortuna Riverwalk
from the Van Duzen River to 12th
St in Fortuna.
OPPORTUNITY
Widened GRTA ROW and adjacent
Caltrans ROW. Opportunity for
community trailhead to connect to
parallel route through Rio Dell.
OPPORTUNITY
Potential partnership with private
landowners and businesses for
trail-oriented development along
Eel River Dr to support recreational
amenities, lodging, and retail.
OPPORTUNITY
Widened GRTA ROW. Opportunity
for community access point and
linear park. Key access point for
residential community to the east
via Drake Hill Rd.
OPPORTUNITY
Series of small GRTA parcels and
widened GRTA ROW. Due to steep
slopes, limited opportunity for trail
amenities.
OPPORTUNITY
Widened GRTA ROW on both sides of SR 36.
Opportunity for community trailhead and trail junction
that serves the GRT mainline, Carlotta line, and
connections to Fortuna Riverwalk loop trail.
Rohnerville
Ä36
101
Strongs Creek
Jameson Creek
Price Creek
Van Duzen River
Eel River
Slater
Creek
FORTUNA
RIO DELL
HYDESVILLE
Rohnerville
LAR
Eel River
Trap Club
Alton
258
259
260
261
262
263 264
265
1 2
CONSTRAINT
At-grade crossing of highway near
existing on- and o-ramps with
high volumes of vehicles.
CONSTRAINT
Damaged bridge south of
Steelhead Creek. May require
repairs or reconstruction pending
further study.
0 1,000 2,000 US FEET
See map for Segment 29
See map for Segment 31
See maps for
Segment 40
30-1
See 30-1 Alton Crossing and Community Trailhead
See See 29-2 Scotia Blus
Community Gateway
The location of culturally significant resources is confidential and therefore, they are not shown on these maps. Before constructing any portion of the trail, an inventory and evaluation of cultural resources will be conducted in collaboration with California Native American tribes. Cultural resources are protected under state and federal law, and include Native American archaeological sites, historic archaeological sites and buildings, and natural areas with traditional cultural significance.
Trail Alignment & Design Concepts 109
30-1 Alton Crossing and Community Trailhead
304 12th Street, Suite 2A | Oakland, CA 94607
510-540-5008 | altago.com
Dwg filename: N:\Shared\PROJECTS\2022\00-2022-180 CA Great Redwood Trail Master Plan\CAD\02_Exhibits\MM262.4-Z1-Alton\22-180_EXH_ALTON.dwg Last saved by: katrinaortiz Plot date: 1/16/2025 3:20 PM Plotstyle table: ALTA NCS Standard.stb 304 12th Street, Suite 2A | Oakland, CA 94607
510-540-5008 | altago.com
Dwg filename: N:\Shared\PROJECTS\2022\00-2022-180 CA Great Redwood Trail Master Plan\CAD\02_Exhibits\MM262.4-Z1-Alton\22-180_EXH_ALTON.dwg Last saved by: katrinaortiz Plot date: 1/16/2025 3:20 PM Plotstyle table: ALTA NCS Standard.stb FIGURE 10
MM 262.4
ALTON
GREAT REDWOOD TRAIL MASTER PLAN
0 50' 100'
Scale: 1" = 50'
LEGEND:
GREAT REDWOOD TRAIL, PAVED
NOTE: DESIGN INTENT TO REDUCE IMPERVIOUS SURFACES
TRAILHEAD AMENITIES
TRAILHEAD RECREATION SPACES
TRAILHEAD ACCESS IMPROVEMENTS
TRAILHEAD PARKING
EXISTING RAIL BED
Note: This conceptual plan is for illustrative purposes only. Future engagement with community members, business owners, and California Native American tribes will be conducted as part of a detailed design process prior to construction. 110 Trail Alignment & Design Concepts This page intentionally left blank This page intentionally left blank
SEGMENT EXTENTS
Riverwalk Dr, Fortuna to SR 211, Fernbridge
COUNTY
Humboldt County
LENGTH
4.2 Miles
Planned: 0.0 Miles
Existing: 0.0 Miles
TRAIL TYPE
Paved Multi-use Trail
PRIORITIZATION
Tier 1
FORTUNA TO FERNBRIDGE
Segment 31
#
HUMBOLDT
LAKE
MENDOCINO
SONOMA
TRINITY
ENVIRONMENTAL
Water
TRAIL AMENITIES*
Infrastructure Conditions***
INFRASTRUCTURE
Bridge
Hazardous Materials
TRAIL TYPES
TRAIL STATUS
Paved Trail
Loop, non-GRT
Connector, non-GRT
Existing Trail
Planned
Trailheads
Community Trailhead
Community Gateway
Community Access Point
Potential Opportunity Sites
Trail-Oriented
Development
Parks / Rest Areas
Roadway Crossings*
Crossing, Highway
Crossing, Major Public
Crossing, Private
Crossing, Underpass
BOUNDARIES
OWNERSHIP
City/Town/Place
Parks & Public Lands
GRTA
Local
State
Federal
Nonprofit
SEGMENT DETAILS
Segment Breakpoint
Design Concept
GRT Milepost
*All amenities are potential opportunities for
planning purposes only unless otherwise
indicated as existing.
**Private crossings may or may not be licensed.
***Conditions reflect best available data as of
2023. It is understood that conditions are
rapidly changing based on 2020 report data.
Select points have been updated based on
new information.
Individual trail design and construction projects might be comprised of an entire Master Plan segment,
multiple segments, or portions of segments depending
on a variety of factors including but not limited to staff and partner agency capacity, funding, permitting, and
additional engineering analysis.
112 Trail Alignment & Design Concepts
OPPORTUNITY
Opportunity for trail access to Fortuna Middle School.
OPPORTUNITY
Opportunity for loop trail to connect via the Fortuna Riverwalk from the Van Duzen River to 12th St in Fortuna.
OPPORTUNITY
Potential partnership with private landowner and proposed land-use development for trail-oriented development to support improved trail access, park or trail amenities, housing, retail, and dining.
OPPORTUNITY
Potential partnership with City of Fortuna and Caltrans to provide a community trailhead at existing parking lot on Kenmar Rd, with proposed improvements to lot and connections to existing bus stops, Fortuna Riverwalk Trail and future Strongs Creek Trail.
OPPORTUNITY
Opportunity for coordination with
Humboldt County parcels for
restoration, recreational amenities,
and potential river access.
OPPORTUNITY
Opportunity for connector to
Ferndale and California Coastal
Trail route heading south.
OPPORTUNITY
Widened GRTA ROW north of 12th
St. In addition to a community
access point, opportunity for linear
park, trail-oriented-development
with adjacent businesses, and
connection via 12th St to Fortuna
Riverwalk.
OPPORTUNITY
Opportunity for coordination
with existing businesses in
Fortuna for trail-oriented
development including lodging,
retail, and dining opportunities.
CONSTRAINT
At-grade crossing of highway near existing on- and
o-ramps with high volumes of vehicles.
Fernbridge Dr
Palmer Blvd
Riverwalk Dr
Main St
Main St
Kenmar Rd 12th St
F ni ch Creek Rd
Ross Hill Rd N Fortuna Blvd
S Fortuna Blvd
3rd St
Redwood Hwy
Redwood Hwy
Redwood Hwy
101
Finch Creek
Strongs Creek
Palmer Creek
Eel River
FORTUNA
Rohner
Park
See map for
Segment 32
Eel River
Trap Club
Fernbridge
265
266
267
268
269
0 820 1,640 US FEET
Ä211
101
See map for Segment 30
31-1 See 31-1 Fortuna Kenmar Rd Crossing and Trailhead
The location of culturally significant resources is confidential and therefore, they are not shown on these maps. Before constructing any portion of the trail, an inventory and evaluation of cultural resources will be conducted in collaboration with California Native American tribes. Cultural resources are protected under state and federal law, and include Native American archaeological sites, historic archaeological sites and buildings, and natural areas with traditional cultural significance.
Trail Alignment & Design Concepts 113
31-1 Fortuna Kenmar Rd Crossing and Trailhead
304 12th Street, Suite 2A | Oakland, CA 94607
510-540-5008 | altago.com
Dwg filename: N:\Shared\PROJECTS\2022\00-2022-180 CA Great Redwood Trail Master Plan\CAD\02_Exhibits\MM264.5-Z1-Fortuna to Fernbridge\22-180_EXH_FORTUNA.dwg Last saved by: SamAlig Plot date: 2/8/2024 9:37 AM Plotstyle table: ALTA NCS Standard.stb FIGURE 11
MM 264.5
FORTUNA TO FERNBRIDGE
GREAT REDWOOD TRAIL MASTER PLAN
0 100' 200'
Scale: 1" = 100'
LEGEND:
GREAT REDWOOD TRAIL, PAVED
NOTE: DESIGN INTENT TO REDUCE IMPERVIOUS SURFACES
TRAILHEAD AMENITIES
TRAILHEAD RECREATION SPACES
TRAILHEAD ACCESS IMPROVEMENTS
TRAILHEAD PARKING
EXISTING RAIL BED
R/W - GRTA RIGHT-OF-WAY
Note: This conceptual plan is for illustrative purposes only. Future engagement with community members, business owners, and California Native American tribes will be conducted as part of a detailed design process prior to construction. 114 Trail Alignment & Design Concepts