participating in
For observations made between 2015/01/01 and 2025/06/01
Submissions accepted up to 2025/06/01
Experience this 2.6-km out-and-back trail near Honolulu, Oahu. Generally considered a challenging route, it takes an average of 1 h 24 min to complete. This is a very popular area for hiking, so you'll likely encounter other people while exploring. The trail is open year-round and is beautiful to visit anytime. You'll need to leave pups at home — dogs aren't allowed on this trail.
413
Identifications
Identifications
294
Observations
Observations
150
Species
Species
115
People
People
Top Species
1.
Leucaena leucocephala (Lam.) de Wit
12
2.
Leucaena leucocephala
11
3.
Stapelia gigantea N.E.Br.
10
4.
Geopelia striata (Linnaeus, 1766)
8
5.
Jatropha integerrima
8
6.
Verbesina encelioides (Cav.) Benth. & Hook.fil. ex A.Gray
7
7.
Paroaria coronata
7
8.
Waltheria indica L.
6
9.
Dodonaea viscosa (L.) Jacq.
6
10.
Araecerus
5
Top Observers
1.
justinluong
{:id=>"126312", :score=>620.0, :percentage=>"5.89"}
2.
Kevin Faccenda
{:id=>"321317", :score=>580.0, :percentage=>"5.51"}
3.
sharrow-sparrow
{:id=>"760339", :score=>540.0, :percentage=>"5.13"}
4.
crystalroxas
{:id=>"6441965", :score=>480.0, :percentage=>"4.56"}
5.
youlihawaii
{:id=>"5337864", :score=>400.0, :percentage=>"3.80"}
6.
twsummer
{:id=>"39066", :score=>360.0, :percentage=>"3.42"}
7.
jenster229
{:id=>"1194471", :score=>320.0, :percentage=>"3.04"}
8.
brothernature627
{:id=>"1601307", :score=>220.0, :percentage=>"2.09"}
9.
lhsteele
{:id=>"5476893", :score=>220.0, :percentage=>"2.09"}
10.
Steven Kurniawidjaja
{:id=>"220795", :score=>200.0, :percentage=>"1.90"}
Top Species
1.
Leucaena leucocephala (Lam.) de Wit
12
2.
Leucaena leucocephala
11
3.
Stapelia gigantea N.E.Br.
10
4.
Geopelia striata (Linnaeus, 1766)
8
5.
Jatropha integerrima
8
6.
Verbesina encelioides (Cav.) Benth. & Hook.fil. ex A.Gray
7
7.
Paroaria coronata
7
8.
Waltheria indica L.
6
9.
Dodonaea viscosa (L.) Jacq.
6
10.
Araecerus
5
11.
Cynanchum gerrardi (Harv.) Liede
5
12.
Cactoideae
5
13.
Asystasia gangetica (L.) T.Anderson
5
14.
Bougainvillea
5
15.
Cynanchum gerrardii
4
16.
Solanum seaforthianum Andrews
4
17.
Magnoliopsida
4
18.
Cactaceae
4
19.
Olla v-nigrum
4
20.
Asystasia gangetica
4
21.
Bubulcus ibis (Linnaeus, 1758)
3
22.
Cardinalis cardinalis (Linnaeus, 1758)
3
23.
Stapelia gigantea
3
24.
Prosopis pallida (Humb. & Bonpl. ex Willd.) Kunth
3
25.
Gonocephalum
3
26.
Padda oryzivora (Linnaeus, 1758)
3
27.
Fregata minor (Gmelin, 1789)
3
28.
Paroaria coronata (J.F.Miller, 1776)
2
29.
Coelophora inaequalis
2
30.
Menemerus bivittatus (Dufour, 1831)
2
31.
Gallus gallus f. domesticus
2
32.
Leonotis nepetifolia
2
33.
Selenicereus undatus
2
34.
Teloschistes flavicans (Sw.) Norman
2
35.
Dodonaea viscosa
2
36.
Geopelia striata
2
37.
Euphorbia heterophylla L.
2
38.
Grewia micrantha
2
39.
Macroptilium lathyroides
2
40.
Emilia fosbergii Nicolson
2
41.
Sida fallax Walp.
2
42.
Dione vanillae
2
43.
Kalanchoe lateritia
2
44.
Hibiscus
2
45.
Urva auropunctata
2
46.
Sida fallax
2
47.
Bougainvillea glabra
2
48.
Bubulcus ibis
2
49.
Onychoprion fuscatus (Linnaeus, 1766)
2
50.
Spilopelia chinensis (Scopoli, 1786)
2
51.
Dione vanillae (Linnaeus, 1758)
2
52.
Aloe vera (L.) Burm.f.
2
53.
Passer domesticus (Linnaeus, 1758)
1
54.
Leucocoprinus birnbaumii
1
55.
Fregata minor
1
56.
Urva auropunctata (Hodgson, 1836)
1
57.
Camponotus variegatus (Smith, 1858)
1
58.
Cosmophasis lami Berry, Beatty & Prószyński, 1997
1
59.
Pelegrina
1
60.
Thomisus labefactus
1
61.
Acythopeus cocciniae
1
62.
Coelophora inaequalis (Fabricius, 1775)
1
63.
Messua
1
64.
Pantomorus cervinus (Boheman, 1840)
1
65.
Diachus auratus
1
66.
Hyposmocoma
1
67.
Psychidae
1
68.
Xylocopa sonorina Smith, 1874
1
69.
Setaria palmifolia (J.Koenig) Stapf
1
70.
TBD
1
71.
Acanthocereus tetragonus
1
72.
Miridae
1
73.
Curinus coeruleus
1
74.
Myrsine sandwicensis A.DC.
1
75.
Araneae
1
76.
Latrodectus geometricus
1
77.
Pilosocereus
1
78.
Pseudomyrmex gracilis (Fabricius, 1804)
1
79.
Conocephalini
1
80.
Cereus hildmannianus subsp. uruguayanus (R.Kiesling) N.P.Taylor
1
81.
Pachycereae
1
82.
Cereeae
1
83.
Sceliphron caementarium
1
84.
Lepidodactylus lugubris
1
85.
Gryllidea
1
86.
Abutilon incanum (Link) Sweet
1
87.
Paratrechina longicornis
1
88.
Pseudomyrmex gracilis
1
89.
Conocephalinae
1
90.
Teloschistes flavicans
1
91.
Fungi
1
92.
Lepidoptera
1
93.
Coccinella septempunctata Linnaeus, 1758
1
94.
Cenchrus setaceus
1
95.
Cleome gynandra L.
1
96.
Leonotis nepetifolia (L.) R.Br.
1
97.
Euphorbia prostrata Aiton
1
98.
Alternanthera pungens Kunth
1
99.
Distimake aegyptius (L.) A.R.Simões & Staples
1
100.
Cenchrus ciliaris L.
1
101.
Ruellia prostrata
1
102.
Acanthocereus tetragonus (L.) Hummelinck
1
103.
Eleusine indica (L.) Gaertn.
1
104.
Portulaca pilosa
1
105.
Kalanchoe lateritia Engl.
1
106.
Commelina benghalensis
1
107.
Chamaecrista nictitans (L.) Moench
1
108.
Euphorbia hirta L.
1
109.
Melinis repens (Willd.) Zizka
1
110.
Cordia subcordata
1
111.
Psychotria mariniana
1
112.
Thunbergia erecta
1
113.
Setaria palmifolia
1
114.
Diplopoda
1
115.
Schistocerca nitens
1
116.
Kalanchoe
1
117.
Ipomoea cairica
1
118.
Poaceae
1
119.
Felis catus
1
120.
Argiope appensa
1
121.
Araneidae
1
122.
Euphorbia hirta
1
123.
Littoraria pintado
1
124.
Mussaenda erythrophylla
1
125.
Cenchrus setaceus (Forssk.) Morrone
1
126.
Udara blackburni
1
127.
Strymon bazochii
1
128.
Ficus microcarpa L.fil.
1
129.
Crithagra mozambica (P.L.Statius Müller, 1776)
1
130.
Haemorhous mexicanus (P.L.Statius Müller, 1776)
1
131.
Cordia subcordata Lam.
1
132.
Latrodectus geometricus C.L.Koch, 1841
1
133.
Protaetia orientalis
1
134.
Angiospermae
1
135.
Verbesina
1
136.
Menemerus
1
137.
Sarcophagidae
1
138.
Apoidea
1
139.
Teloschistaceae
1
140.
Spoladea recurvalis
1
141.
Oedaleus
1
142.
Pterygota
1
143.
Iassinae
1
144.
Caryophyllales
1
145.
Schinus terebinthifolia Raddi
1
146.
Gallus gallus (Linnaeus, 1758)
1
147.
Acridotheres tristis (Linnaeus, 1766)
1
148.
Orthomorpha coarctata (Saussure, 1860)
1
149.
Neltuma pallida (Humb. & Bonpl. ex Willd.) C.E.Hughes & G.P.Lewis
1
150.
Estrilda astrild (Linnaeus, 1758)
1
151.
Leiothrix lutea (Scopoli, 1786)
1
Top People
1.
justinluong
{:id=>"126312", :score=>620.0, :percentage=>"5.89"}
2.
Kevin Faccenda
{:id=>"321317", :score=>580.0, :percentage=>"5.51"}
3.
sharrow-sparrow
{:id=>"760339", :score=>540.0, :percentage=>"5.13"}
4.
crystalroxas
{:id=>"6441965", :score=>480.0, :percentage=>"4.56"}
5.
youlihawaii
{:id=>"5337864", :score=>400.0, :percentage=>"3.80"}
6.
twsummer
{:id=>"39066", :score=>360.0, :percentage=>"3.42"}
7.
jenster229
{:id=>"1194471", :score=>320.0, :percentage=>"3.04"}
8.
brothernature627
{:id=>"1601307", :score=>220.0, :percentage=>"2.09"}
9.
lhsteele
{:id=>"5476893", :score=>220.0, :percentage=>"2.09"}
10.
Steven Kurniawidjaja
{:id=>"220795", :score=>200.0, :percentage=>"1.90"}
11.
obsr1406449
{:id=>nil, :score=>200.0, :percentage=>"1.90"}
12.
kendrawolf
{:id=>"367547", :score=>200.0, :percentage=>"1.90"}
13.
stevanf
{:id=>"5784474", :score=>200.0, :percentage=>"1.90"}
14.
bugtype
{:id=>"1754339", :score=>200.0, :percentage=>"1.90"}
15.
kevinfaccenda
{:id=>"321317", :score=>180.0, :percentage=>"1.71"}
16.
Caroline H. Synakowski
{:id=>"4309885", :score=>160.0, :percentage=>"1.52"}
17.
davidharris42
{:id=>"1544566", :score=>160.0, :percentage=>"1.52"}
18.
Maura
{:id=>"59490", :score=>140.0, :percentage=>"1.33"}
19.
unnecessaryj
{:id=>"4309885", :score=>120.0, :percentage=>"1.14"}
20.
normherr
{:id=>"484711", :score=>120.0, :percentage=>"1.14"}
21.
mobu
{:id=>"2234399", :score=>120.0, :percentage=>"1.14"}
22.
lyndonborgonia
{:id=>"1541924", :score=>120.0, :percentage=>"1.14"}
23.
sjobalia
{:id=>"759470", :score=>120.0, :percentage=>"1.14"}
24.
Eamon
{:id=>nil, :score=>120.0, :percentage=>"1.14"}
25.
obsr2392279
{:id=>nil, :score=>100.0, :percentage=>"0.95"}
26.
richbailey
{:id=>"2537363", :score=>100.0, :percentage=>"0.95"}
27.
jack_h2
{:id=>"5230989", :score=>100.0, :percentage=>"0.95"}
28.
Karim Gharbi
{:id=>"1601307", :score=>100.0, :percentage=>"0.95"}
29.
krystal5280
{:id=>"1108103", :score=>100.0, :percentage=>"0.95"}
30.
tam_luong
{:id=>"3775665", :score=>100.0, :percentage=>"0.95"}
31.
sarahkuppert
{:id=>"234277", :score=>100.0, :percentage=>"0.95"}
32.
john91
{:id=>"239645", :score=>100.0, :percentage=>"0.95"}
33.
gtg967w
{:id=>"4889328", :score=>100.0, :percentage=>"0.95"}
34.
rondell_quiambao
{:id=>"4549665", :score=>100.0, :percentage=>"0.95"}
35.
karenbishop
{:id=>"273834", :score=>100.0, :percentage=>"0.95"}
36.
playability
{:id=>"2261822", :score=>100.0, :percentage=>"0.95"}
37.
rhoads
{:id=>"1675732", :score=>100.0, :percentage=>"0.95"}
38.
michaelkoh
{:id=>"1970343", :score=>100.0, :percentage=>"0.95"}
39.
make_it_rainwater
{:id=>"1917657", :score=>100.0, :percentage=>"0.95"}
40.
ecalang
{:id=>"1567316", :score=>100.0, :percentage=>"0.95"}
41.
liquidus
{:id=>"3565933", :score=>100.0, :percentage=>"0.95"}
42.
twan3253
{:id=>"793005", :score=>100.0, :percentage=>"0.95"}
43.
kennedy_mayo
{:id=>"504005", :score=>100.0, :percentage=>"0.95"}
44.
joegray
{:id=>"503917", :score=>100.0, :percentage=>"0.95"}
45.
jabeach
{:id=>"4210795", :score=>100.0, :percentage=>"0.95"}
46.
maryeford
{:id=>"10794", :score=>100.0, :percentage=>"0.95"}
47.
snoop24
{:id=>"5399891", :score=>100.0, :percentage=>"0.95"}
48.
obsr1796545
{:id=>nil, :score=>100.0, :percentage=>"0.95"}
49.
amyahudson
{:id=>"6441934", :score=>100.0, :percentage=>"0.95"}
50.
mthomasen
{:id=>"964688", :score=>100.0, :percentage=>"0.95"}
51.
gracieswildlife
{:id=>"5576649", :score=>100.0, :percentage=>"0.95"}
52.
lxia
{:id=>"5597361", :score=>100.0, :percentage=>"0.95"}
53.
forestfreak
{:id=>"1543504", :score=>60.0, :percentage=>"0.57"}
54.
dvillalobos9
{:id=>"5340202", :score=>60.0, :percentage=>"0.57"}
55.
kheintzman
{:id=>"2427224", :score=>60.0, :percentage=>"0.57"}
56.
Rocketrosy
{:id=>"2072726", :score=>60.0, :percentage=>"0.57"}
57.
McKenna
{:id=>nil, :score=>40.0, :percentage=>"0.38"}
58.
star_bit
{:id=>"30828", :score=>40.0, :percentage=>"0.38"}
59.
averyharding
{:id=>"4886709", :score=>40.0, :percentage=>"0.38"}
60.
doorfour444
{:id=>"4110759", :score=>40.0, :percentage=>"0.38"}
61.
Anisha Kumra
{:id=>"3506688", :score=>40.0, :percentage=>"0.38"}
62.
alex1276
{:id=>"2227218", :score=>40.0, :percentage=>"0.38"}
63.
neontetraploid
{:id=>"220795", :score=>40.0, :percentage=>"0.38"}
64.
mduffy
{:id=>"59490", :score=>40.0, :percentage=>"0.38"}
65.
obsr1360408
{:id=>nil, :score=>40.0, :percentage=>"0.38"}
66.
Jim Kingdon
{:id=>"252932", :score=>40.0, :percentage=>"0.38"}
67.
mahsee
{:id=>nil, :score=>20.0, :percentage=>"0.19"}
68.
Allen Hoof
{:id=>"4791", :score=>20.0, :percentage=>"0.19"}
69.
ambruhn
{:id=>"1936168", :score=>20.0, :percentage=>"0.19"}
70.
armadillocommander
{:id=>"4068395", :score=>20.0, :percentage=>"0.19"}
71.
knakada
{:id=>"5290894", :score=>20.0, :percentage=>"0.19"}
72.
reutfeldman
{:id=>"1182766", :score=>20.0, :percentage=>"0.19"}
73.
Bradley Rentz
{:id=>"285950", :score=>20.0, :percentage=>"0.19"}
74.
Kyhl Austin
{:id=>"302562", :score=>20.0, :percentage=>"0.19"}
75.
mikedavis1
{:id=>"2277136", :score=>20.0, :percentage=>"0.19"}
76.
sgwhitelighter
{:id=>"4134096", :score=>20.0, :percentage=>"0.19"}
77.
marymacwill
{:id=>"2835511", :score=>20.0, :percentage=>"0.19"}
78.
marcet
{:id=>"3892501", :score=>20.0, :percentage=>"0.19"}
79.
adamstinks
{:id=>"4919486", :score=>20.0, :percentage=>"0.19"}
80.
kerry1234
{:id=>"2335803", :score=>20.0, :percentage=>"0.19"}
81.
annerud
{:id=>"2430178", :score=>20.0, :percentage=>"0.19"}
82.
Tim Dick
{:id=>"971286", :score=>20.0, :percentage=>"0.19"}
83.
pickledradish
{:id=>"4018573", :score=>20.0, :percentage=>"0.19"}
84.
anishavita
{:id=>"3506688", :score=>20.0, :percentage=>"0.19"}
85.
orientalboy3
{:id=>"5225663", :score=>20.0, :percentage=>"0.19"}
86.
davidacks
{:id=>"2212919", :score=>20.0, :percentage=>"0.19"}
87.
inrgboost
{:id=>"4383401", :score=>20.0, :percentage=>"0.19"}
88.
kristinae1
{:id=>"2883306", :score=>20.0, :percentage=>"0.19"}
89.
canyoncanid
{:id=>"1122636", :score=>20.0, :percentage=>"0.19"}
90.
atp_synthaz3
{:id=>"1314436", :score=>20.0, :percentage=>"0.19"}
91.
caitcorn
{:id=>"3977415", :score=>20.0, :percentage=>"0.19"}
92.
bekahcase
{:id=>"2616739", :score=>20.0, :percentage=>"0.19"}
93.
docsharpe
{:id=>"2441642", :score=>20.0, :percentage=>"0.19"}
94.
trisha03
{:id=>"2859041", :score=>20.0, :percentage=>"0.19"}
95.
kyhlaustin
{:id=>"302562", :score=>20.0, :percentage=>"0.19"}
96.
windsurfnerd
{:id=>"1427418", :score=>20.0, :percentage=>"0.19"}
97.
oneillm
{:id=>"1625053", :score=>20.0, :percentage=>"0.19"}
98.
janinachristine
{:id=>"3563647", :score=>20.0, :percentage=>"0.19"}
99.
mwilliams822
{:id=>"505361", :score=>20.0, :percentage=>"0.19"}
100.
aschnittker
{:id=>"503931", :score=>20.0, :percentage=>"0.19"}
101.
winniecanney
{:id=>"414381", :score=>20.0, :percentage=>"0.19"}
102.
peps
{:id=>"308380", :score=>20.0, :percentage=>"0.19"}
103.
tiwane
{:id=>"28", :score=>20.0, :percentage=>"0.19"}
104.
Hubert Szczygieł
{:id=>nil, :score=>20.0, :percentage=>"0.19"}
105.
rebmartin
{:id=>"2773689", :score=>20.0, :percentage=>"0.19"}
106.
micholy
{:id=>nil, :score=>20.0, :percentage=>"0.19"}
107.
ssack2
{:id=>"4854139", :score=>20.0, :percentage=>"0.19"}
108.
lovelyjanairo
{:id=>"7005150", :score=>20.0, :percentage=>"0.19"}
109.
berger22
{:id=>"2329552", :score=>20.0, :percentage=>"0.19"}
110.
aaronta59
{:id=>"1553932", :score=>20.0, :percentage=>"0.19"}
111.
tylerhowell
{:id=>"4858892", :score=>20.0, :percentage=>"0.19"}
112.
elphant
{:id=>"5046608", :score=>20.0, :percentage=>"0.19"}
113.
Hannah
{:id=>"5046608", :score=>20.0, :percentage=>"0.19"}
114.
ramennudi
{:id=>"7640022", :score=>20.0, :percentage=>"0.19"}
115.
Dana Lee Ling
{:id=>"1577733", :score=>20.0, :percentage=>"0.19"}
Recent Observations